{"title":"Troy Lee Designs D4 Helmets","description":"","products":[{"product_id":"troy-lee-designs-d4-composite-pinned-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Pinned MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Pinned MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eD4 Composite Pinned MIPS Helmet is a Troy Lee Designs mountain bike helmet built for mountain bikers who want full-time confidence. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Pinned graphic gives it a distinct finish that stands out in the pits, on the trailhead rack, or in the garage. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eIt is shaped for modern off-road mountain biking, with the secure feel, airflow, and coverage riders look for when the route mixes climbing, descending, and repeated hits through rough sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it has the sort of comfortable, confidence-building feel that makes sense for trail laps, shuttle days, and bike-park weekends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e This is a strong pick when you want a mountain bike helmet that feels at home on everything from rough local descents to destination riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded eps and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003cli\u003eNot intended for use with motorized vehicles\u003c\/li\u003e\n\u003cli\u003eWHATS IN THE BOX\u003c\/li\u003e\n\u003cli\u003eHelmet Bag: TLD Helmet Sock\u003c\/li\u003e\n\u003cli\u003eMedical Sticker: Medical information sticker to insert\u003c\/li\u003e\n\u003cli\u003eOwners Manual: All the details on the D4 Carbon Helmet\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Red \/ XS","offer_id":49262304100639,"sku":"140505001","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Red \/ SM","offer_id":49262304166175,"sku":"140505002","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Red \/ MD","offer_id":49262304198943,"sku":"140505003","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Red \/ LG","offer_id":49262304231711,"sku":"140505004","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Red \/ XL","offer_id":49262304264479,"sku":"140505005","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Red \/ 2XL","offer_id":49262304297247,"sku":"140505006","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Light Gray \/ XS","offer_id":49262304133407,"sku":"140505011","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Light Gray \/ SM","offer_id":49262304330015,"sku":"140505012","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Light Gray \/ MD","offer_id":49262304362783,"sku":"140505013","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Light Gray \/ LG","offer_id":49262304395551,"sku":"140505014","price":281.4,"currency_code":"USD","in_stock":false},{"title":"Light Gray \/ XL","offer_id":49262304428319,"sku":"140505015","price":281.4,"currency_code":"USD","in_stock":true},{"title":"Light Gray \/ 2XL","offer_id":49262304461087,"sku":"140505016","price":281.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_20MTB24_20SP_20BTO_20Sports_0128_TLD_B24D1_D4CM_PINNED_RED_07_c02e4cb3-56da-4900-90f9-b61bad89681f.jpg?v=1756829490"},{"product_id":"troy-lee-designs-d4-composite-omega-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Omega MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Omega MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eD4 Composite Omega MIPS Helmet is a Troy Lee Designs mountain bike helmet built for mountain bikers who want full-time confidence. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Omega graphic gives it a distinct finish that stands out in the pits, on the trailhead rack, or in the garage. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eIt is shaped for modern off-road mountain biking, with the secure feel, airflow, and coverage riders look for when the route mixes climbing, descending, and repeated hits through rough sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it has the sort of comfortable, confidence-building feel that makes sense for trail laps, shuttle days, and bike-park weekends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e It works well for riders who split time between trail loops, enduro stages, and lift-served laps and want one mountain bike helmet that feels ready for all of it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded eps and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003cli\u003eNot intended for use with motorized vehicles\u003c\/li\u003e\n\u003cli\u003eWHATS IN THE BOX\u003c\/li\u003e\n\u003cli\u003eHelmet Bag: TLD Helmet Sock\u003c\/li\u003e\n\u003cli\u003eMedical Sticker: Medical information sticker to insert\u003c\/li\u003e\n\u003cli\u003eOwners Manual: All the details on the D4 Carbon Helmet\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"White\/Blue \/ XS","offer_id":49262317764895,"sku":"140941001","price":281.4,"currency_code":"USD","in_stock":false},{"title":"White\/Blue \/ SM","offer_id":49262317797663,"sku":"140941002","price":281.4,"currency_code":"USD","in_stock":false},{"title":"White\/Blue \/ MD","offer_id":49262317830431,"sku":"140941003","price":281.4,"currency_code":"USD","in_stock":true},{"title":"White\/Blue \/ LG","offer_id":49262317863199,"sku":"140941004","price":281.4,"currency_code":"USD","in_stock":true},{"title":"White\/Blue \/ XL","offer_id":49262317895967,"sku":"140941005","price":281.4,"currency_code":"USD","in_stock":true},{"title":"White\/Blue \/ 2XL","offer_id":49262317928735,"sku":"140941006","price":281.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_20MTB24_20SP_20BTO_20Sports_0146_TLD_B24D1_D4CM_OMEGA_WHTBLU_07.jpg?v=1756829485"},{"product_id":"troy-lee-designs-d4-carbon-stealth-mips-helmet-mtb-1","title":"Troy Lee Designs - D4 Carbon Stealth MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Carbon Stealth MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Carbon Stealth MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. Carbon construction points to a lighter, more premium feel that works well for riders chasing high-end performance. The Stealth treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eThe fit is aimed at riders who need their MTB helmet to stay composed on technical descents while still feeling comfortable during transitions, climbs, and longer days outside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it balances mountain bike protection with the kind of ventilation and fit that keeps longer rides from feeling like work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e It is easy to match to the rest of your kit and easy to live with between rides, which is exactly what most riders want from an MTB helmet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eMIPS brain protection system, reduces rotational forces to the brain in some crash scenarios\u003c\/li\u003e\n\u003cli\u003eThree shell sizes to more accurately fit a variety of head sizes and rider ages, improving overall safety\u003c\/li\u003e\n\u003cli\u003eRemovable snap-in, washable comfort liner with Coolmax® and Dri-lex® moisture-wicking materials\u003c\/li\u003e\n\u003cli\u003eSuper light titanium D-rings save weight and have increased material tensile strength\u003c\/li\u003e\n\u003cli\u003eCPSC 1203*, CE EN1078*, ASTM F1952-DH, ASTM 2032-BMX. *Varies by regional standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Black \/ XS","offer_id":50742720299295,"sku":"139437011","price":735.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ SM","offer_id":50742720332063,"sku":"139437012","price":735.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ MD","offer_id":50742720364831,"sku":"139437013","price":735.0,"currency_code":"USD","in_stock":false},{"title":"Black \/ LG","offer_id":50742720397599,"sku":"139437014","price":735.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ XL","offer_id":50742720430367,"sku":"139437015","price":735.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2X","offer_id":50742720463135,"sku":"139437016","price":735.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0065_TLD_B25D1_D4CF_STEALTH_BLK_07.jpg?v=1756827983"},{"product_id":"troy-lee-designs-d4-composite-drip-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Drip MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Drip MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Composite Drip MIPS Helmet is a Troy Lee Designs mountain bike helmet built for mountain bikers who want full-time confidence. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Drip treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eThe fit is aimed at riders who need their MTB helmet to stay composed on technical descents while still feeling comfortable during transitions, climbs, and longer days outside.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it has the sort of comfortable, confidence-building feel that makes sense for trail laps, shuttle days, and bike-park weekends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e For riders comparing mountain bike helmets, this one makes sense for technical trails, gravity runs, and all-day pedal missions where comfort still matters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/li\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Glo Yellow \/ XS","offer_id":50742720495903,"sku":"140019001","price":318.0,"currency_code":"USD","in_stock":false},{"title":"Glo Yellow \/ SM","offer_id":50742720528671,"sku":"140019002","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Glo Yellow \/ MD","offer_id":50742720561439,"sku":"140019003","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Glo Yellow \/ LG","offer_id":50742720594207,"sku":"140019004","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Glo Yellow \/ XL","offer_id":50742720626975,"sku":"140019005","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Glo Yellow \/ 2X","offer_id":50742720659743,"sku":"140019006","price":318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0047_TLD_B25D1_D4CM_DRIP_GLOYEL_07.jpg?v=1756827981"},{"product_id":"troy-lee-designs-d4-composite-frames-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Frames MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Frames MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Composite Frames MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Frames graphic gives it a distinct finish that stands out in the pits, on the trailhead rack, or in the garage. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eThat combination of coverage and ventilation makes it a natural match for riders who move between trail networks, rocky descents, and bike-park days through the season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it balances mountain bike protection with the kind of ventilation and fit that keeps longer rides from feeling like work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e For riders comparing mountain bike helmets, this one makes sense for technical trails, gravity runs, and all-day pedal missions where comfort still matters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/li\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"White\/Silver \/ XS","offer_id":50742720692511,"sku":"140262001","price":318.0,"currency_code":"USD","in_stock":false},{"title":"White\/Silver \/ SM","offer_id":50742720725279,"sku":"140262002","price":318.0,"currency_code":"USD","in_stock":false},{"title":"White\/Silver \/ MD","offer_id":50742720758047,"sku":"140262003","price":318.0,"currency_code":"USD","in_stock":false},{"title":"White\/Silver \/ LG","offer_id":50742720790815,"sku":"140262004","price":318.0,"currency_code":"USD","in_stock":true},{"title":"White\/Silver \/ XL","offer_id":50742720823583,"sku":"140262005","price":318.0,"currency_code":"USD","in_stock":true},{"title":"White\/Silver \/ 2X","offer_id":50742720856351,"sku":"140262006","price":318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0038_TLD_B25D1_D4CM_FRAMES_WHTSIL_07.jpg?v=1756827980"},{"product_id":"troy-lee-designs-d4-composite-royalty-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Royalty MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Royalty MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Composite Royalty MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Royalty treatment gives this helmet a more individual feel than a plain solid option. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eThat combination of coverage and ventilation makes it a natural match for riders who move between trail networks, rocky descents, and bike-park days through the season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it fits the way a modern MTB helmet should: secure, ventilated, and ready for real terrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e It is easy to match to the rest of your kit and easy to live with between rides, which is exactly what most riders want from an MTB helmet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/li\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Black\/Gold \/ XS","offer_id":50742720889119,"sku":"140507001","price":318.0,"currency_code":"USD","in_stock":false},{"title":"Black\/Gold \/ SM","offer_id":50742720921887,"sku":"140507002","price":318.0,"currency_code":"USD","in_stock":false},{"title":"Black\/Gold \/ MD","offer_id":50742720954655,"sku":"140507003","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Black\/Gold \/ LG","offer_id":50742720987423,"sku":"140507004","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Black\/Gold \/ XL","offer_id":50742721020191,"sku":"140507005","price":318.0,"currency_code":"USD","in_stock":true},{"title":"Black\/Gold \/ 2X","offer_id":50742721052959,"sku":"140507006","price":318.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0011_TLD_B25D1_D4CM_ROYALTY_BLKGLD_07.jpg?v=1756827978"},{"product_id":"troy-lee-designs-d4-composite-stealth-mips-helmet-mtb-2","title":"Troy Lee Designs - D4 Composite Stealth MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Stealth MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Composite Stealth MIPS Helmet is a Troy Lee Designs mountain bike helmet built for trail riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The composite build gives it a balanced mix of feel, durability, and value for regular riding. The Stealth graphic gives it a distinct finish that stands out in the pits, on the trailhead rack, or in the garage. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eIt carries the kind of mountain bike fit that feels settled when speeds rise, but not so heavy or cumbersome that it becomes a distraction on the pedal back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it balances mountain bike protection with the kind of ventilation and fit that keeps longer rides from feeling like work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e It is easy to match to the rest of your kit and easy to live with between rides, which is exactly what most riders want from an MTB helmet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003c\/li\u003e\n\u003cli\u003eAdded eps and new headform shape for improved impact performance\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003cli\u003eNot intended for use with motorized vehicles\u003c\/li\u003e\n\u003cli\u003eWHATS IN THE BOX\u003c\/li\u003e\n\u003cli\u003eHelmet Bag: TLD Helmet Sock\u003c\/li\u003e\n\u003cli\u003eMedical Sticker: Medical information sticker to insert\u003c\/li\u003e\n\u003cli\u003eOwners Manual: All the details on the D4 Carbon Helmet\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Caper \/ XS","offer_id":50742721118495,"sku":"140437051","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Caper \/ SM","offer_id":50742721151263,"sku":"140437052","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Caper \/ MD","offer_id":50742721184031,"sku":"140437053","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Caper \/ LG","offer_id":50742721216799,"sku":"140437054","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Caper \/ XL","offer_id":50742721249567,"sku":"140437055","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Caper \/ 2X","offer_id":50742721282335,"sku":"140437056","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0002_TLD_B25D1_D4CM_STEALTH_CAPER_07.jpg?v=1756827976"},{"product_id":"troy-lee-designs-d4-polyacrylite-shadow-mips-helmet-mtb","title":"Troy Lee Designs - D4 Polyacrylite Shadow MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Polyacrylite Shadow MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Y97LmGRjd1g\" title=\"Troy Lee Designs - D4 Helmet: Legend Redesigned\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/ykDKkPMsyKQ\" title=\"Troy Lee Designs - D4 Helmet Unboxing\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width:100%;max-width:560px;height:auto;aspect-ratio:16\/9;\"\u003e\n\u003c\/iframe\u003e\n\u003cp\u003eD4 Polyacrylite Shadow MIPS Helmet is a Troy Lee Designs mountain bike helmet built for gravity riders. The D4 platform is known for downhill-focused coverage and a locked-in feel when the terrain gets steep and fast. The Polyacrylite shell helps keep the price more approachable while still delivering the coverage riders expect. The Shadow look adds personality, making it a good fit for riders who care about style as much as function. The MIPS-equipped build adds another layer of confidence for riders who prioritize modern helmet technology.\u003c\/p\u003e\n\u003cp\u003eIt carries the kind of mountain bike fit that feels settled when speeds rise, but not so heavy or cumbersome that it becomes a distraction on the pedal back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e it fits the way a modern MTB helmet should: secure, ventilated, and ready for real terrain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e This is a strong pick when you want a mountain bike helmet that feels at home on everything from rough local descents to destination riding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e multiple sizes and colorways available; check the selector for current stock.\u003c\/p\u003e\n\u003cstrong\u003eKey Features\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eThe reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.\u003c\/li\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003c\/li\u003e\n\u003cli\u003eAdvanced Polyacrylite shell construction\u003c\/li\u003e\n\u003cli\u003eFront air intake system, with high flow through polymer center and power grid side mesh\u003c\/li\u003e\n\u003cli\u003eCollarbone Suspension System\u003c\/li\u003e\n\u003cli\u003eBreakaway visor screws\u003c\/li\u003e\n\u003cli\u003eAnti-microbial padding\u003c\/li\u003e\n\u003cli\u003eQuick release contoured 3D cheek pads for anatomically optimized fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Black \/ XS","offer_id":50742721806623,"sku":"174499001","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ SM","offer_id":50742721839391,"sku":"174499002","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ MD","offer_id":50742721872159,"sku":"174499003","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ LG","offer_id":50742721904927,"sku":"174499004","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ XL","offer_id":50742721937695,"sku":"174499005","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2X","offer_id":50742721970463,"sku":"174499006","price":385.0,"currency_code":"USD","in_stock":true},{"title":"Timber \/ XS","offer_id":50742722003231,"sku":"174499011","price":385.0,"currency_code":"USD","in_stock":false},{"title":"Timber \/ SM","offer_id":50742722035999,"sku":"174499012","price":385.0,"currency_code":"USD","in_stock":false},{"title":"Timber \/ MD","offer_id":50742722068767,"sku":"174499013","price":385.0,"currency_code":"USD","in_stock":false},{"title":"Timber \/ LG","offer_id":50742722101535,"sku":"174499014","price":385.0,"currency_code":"USD","in_stock":false},{"title":"Timber \/ XL","offer_id":50742722134303,"sku":"174499015","price":385.0,"currency_code":"USD","in_stock":false},{"title":"Timber \/ 2X","offer_id":50742722167071,"sku":"174499016","price":385.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLDMTB_0011_TLD_B25D1_D4PA_SHADOW_BLK_07.jpg?v=1756827971"},{"product_id":"troy-lee-designs-d4-polyacrylite-qualifier-helmet-mtb","title":"Troy Lee Designs - D4 Polyacrylite Qualifier Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Polyacrylite Qualifier Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.\u003c\/p\u003e\n\u003cp\u003eSpecifications: It adds mips® c2 rotational impact brain protection system for confidence when terrain changes or the pace picks up. You get advanced polyacrylite shell construction for confidence when terrain changes or the pace picks up. There’s front air intake system, with high flow through polymer center and power grid side mesh for confidence when terrain changes or the pace picks up. Engineered with collarbone suspension system for confidence when terrain changes or the pace picks up. Backed by breakaway visor screws for confidence when terrain changes or the pace picks up. Designed for anti-microbial padding for confidence when terrain changes or the pace picks up. The design emphasizes Magnajust visor, helping the helmet feel cool, quiet, and secure over longer rides.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eComfort lands where it counts: steady shell feel, pads that settle in cleanly, and airflow you actually notice when speed drops. Vents move air at trail speed, not just in a wind tunnel, so ventilation keeps you cool at slower speeds on slow tech. You get the TLD blend of sharp...\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy It’ll Work for You:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis helmet solves the usual hang‑ups: a fit that dials quickly, cooling you can feel at lower speeds, and impact management tuned for both straight‑on and off‑angle hits. If you’re new to the category, think of it as a simple upgrade in safety and comfort - easy to clean, easy to maintain, and shaped to work with goggles or sunglasses without fuss. It’s a practical, high‑coverage option for daily riding and bigger weekends when pace and terrain change.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eVariants \/ Options:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eColors: Black\/Yellow, Blue\/White | Sizes from XS to 2X\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"mb-4 mt-2 pl-3\"\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003c\/li\u003e\n\u003cli\u003eAdvanced Polyacrylite shell construction\u003c\/li\u003e\n\u003cli\u003eFront air intake system, with high flow through polymer center and power grid side mesh\u003c\/li\u003e\n\u003cli\u003eCollarbone Suspension System\u003c\/li\u003e\n\u003cli\u003eBreakaway visor screws\u003c\/li\u003e\n\u003cli\u003eAnti-microbial padding\u003c\/li\u003e\n\u003cli\u003eQuick release contoured 3D cheek pads for anatomically optimized fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"Troy Lee Designs","offers":[{"title":"Black\/Yellow \/ XS","offer_id":51112206565663,"sku":"174559001","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Black\/Yellow \/ SM","offer_id":51112206598431,"sku":"174559002","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Black\/Yellow \/ MD","offer_id":51112206631199,"sku":"174559003","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Black\/Yellow \/ LG","offer_id":51112206663967,"sku":"174559004","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Black\/Yellow \/ XL","offer_id":51112206696735,"sku":"174559005","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Black\/Yellow \/ 2X","offer_id":51112206729503,"sku":"174559006","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ XS","offer_id":51112206762271,"sku":"174559011","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ SM","offer_id":51112206795039,"sku":"174559012","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ MD","offer_id":51112206827807,"sku":"174559013","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ LG","offer_id":51112206860575,"sku":"174559014","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ XL","offer_id":51112206893343,"sku":"174559015","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Blue\/White \/ 2X","offer_id":51112206926111,"sku":"174559016","price":415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_MTB25_17455900_D4_Polyacrylit_Qualifier_Hlmt_BlkYlw_1.jpg?v=1756827719"},{"product_id":"troy-lee-designs-d4-carbon-lined-up-mips-helmet-mtb","title":"Troy Lee Designs - D4 Carbon Lined Up MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Carbon Lined Up MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eD4 reigns king atop downhill podiums and BMX events across the globe. Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full-face in mountain biking. 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Available in carbon, composite and polyacrylite. Details are what makes the D4 the most coveted full-face in mountain biking. 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Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1000g to 1150g\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Real Teal \/ XS","offer_id":51614650007839,"sku":"140017001","price":530.0,"currency_code":"USD","in_stock":false},{"title":"Real Teal \/ SM","offer_id":51614683267359,"sku":"140017002","price":530.0,"currency_code":"USD","in_stock":false},{"title":"Real Teal \/ MD","offer_id":51614683300127,"sku":"140017003","price":530.0,"currency_code":"USD","in_stock":false},{"title":"Real Teal \/ LG","offer_id":51614683332895,"sku":"140017004","price":530.0,"currency_code":"USD","in_stock":false},{"title":"Real Teal \/ XL","offer_id":51614683365663,"sku":"140017005","price":530.0,"currency_code":"USD","in_stock":false},{"title":"Real Teal \/ 2X","offer_id":51614683398431,"sku":"140017006","price":530.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_SP26_MTB_14001700_D4_Composite_Crest_Helmet_Teal_7.jpg?v=1770922765"},{"product_id":"troy-lee-designs-d4-composite-flared-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Flared MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Flared MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1000g to 1150g\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"White\/Indigo \/ XS","offer_id":51614649843999,"sku":"140022001","price":530.0,"currency_code":"USD","in_stock":false},{"title":"White\/Indigo \/ SM","offer_id":51614683103519,"sku":"140022002","price":530.0,"currency_code":"USD","in_stock":false},{"title":"White\/Indigo \/ MD","offer_id":51614683136287,"sku":"140022003","price":530.0,"currency_code":"USD","in_stock":false},{"title":"White\/Indigo \/ LG","offer_id":51614683169055,"sku":"140022004","price":530.0,"currency_code":"USD","in_stock":true},{"title":"White\/Indigo \/ XL","offer_id":51614683201823,"sku":"140022005","price":530.0,"currency_code":"USD","in_stock":true},{"title":"White\/Indigo \/ 2X","offer_id":51614683234591,"sku":"140022006","price":530.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_SP26_MTB_14002200_D4_Composite_Flared_Helmet_WhtIndigo_7.jpg?v=1770922830"},{"product_id":"troy-lee-designs-d4-composite-lined-up-mips-helmet-mtb","title":"Troy Lee Designs - D4 Composite Lined Up MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Composite Lined Up MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAlways Evolving. Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. 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Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. 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Built with an aerospace shell design and materials, we were able to get the D4 Composite helmet to 1050 grams without sacrificing any strength. Mips® C2 protection system is used to add an additional layer of safety in the event of a fall. For comfort, the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride. X-static® and XT2® anti-microbial\/anti-odor padding keep the inside of the helmet a much nicer place to be.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports for maximum ventilation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdded EPS and new headform shape for improved impact performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull incremental sizing for greater range of fitment\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrategically placed interior chinbar shock pads for comfort and durability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick-release and contoured 3D cheek pads for emergency helmet removal\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePurpose-built internal cavities for audio integration\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStainless steel chinstrap D-rings are light and strong\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes TLD drawstring helmet sock\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1000g to 1150g\u003c\/li\u003e\n\u003cli\u003eExceeds bicycle certifications: CPSC 1203, CE EN 1078:2002+A1:2012 ASTM F1952-15, ASTM F2032-15, ASTM F2040-11\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Pumice \/ XS","offer_id":51614649319711,"sku":"140437061","price":500.0,"currency_code":"USD","in_stock":false},{"title":"Pumice \/ SM","offer_id":51614682448159,"sku":"140437062","price":500.0,"currency_code":"USD","in_stock":false},{"title":"Pumice \/ MD","offer_id":51614682480927,"sku":"140437063","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Pumice \/ LG","offer_id":51614682513695,"sku":"140437064","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Pumice \/ XL","offer_id":51614682546463,"sku":"140437065","price":500.0,"currency_code":"USD","in_stock":true},{"title":"Pumice \/ 2X","offer_id":51614682579231,"sku":"140437066","price":500.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_SP26_MTB_14043706_D4_Composite_Stealth_Helmet_Pumice_7.jpg?v=1770923088"},{"product_id":"troy-lee-designs-d4-polyacrylite-roamer-mips-helmet-mtb","title":"Troy Lee Designs - D4 Polyacrylite Roamer MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Polyacrylite Roamer MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced Polyacrylite shell construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eFront air intake system, with high flow through polymer center and power grid side mesh\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCollarbone Suspension System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBreakaway visor screws\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnti-microbial padding\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1000g to 1150g\u003c\/li\u003e\n\u003cli\u003eQuick release contoured 3D cheek pads for anatomically optimized fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Clay \/ XS","offer_id":51614648598815,"sku":"174043001","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Clay \/ SM","offer_id":51614681366815,"sku":"174043002","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Clay \/ MD","offer_id":51614681399583,"sku":"174043003","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Clay \/ LG","offer_id":51614681432351,"sku":"174043004","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Clay \/ XL","offer_id":51614681465119,"sku":"174043005","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Clay \/ 2X","offer_id":51614681497887,"sku":"174043006","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Magenta \/ XS","offer_id":51614681530655,"sku":"174043011","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Magenta \/ SM","offer_id":51614681563423,"sku":"174043012","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Magenta \/ MD","offer_id":51614681596191,"sku":"174043013","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Magenta \/ LG","offer_id":51614681628959,"sku":"174043014","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Magenta \/ XL","offer_id":51614681661727,"sku":"174043015","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Magenta \/ 2X","offer_id":51614681694495,"sku":"174043016","price":415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_SP26_MTB_17404300_D4_Polyacrylite_Roamer_Helmet_Clay_7.jpg?v=1770928346"},{"product_id":"troy-lee-designs-d4-polyacrylite-the-line-mips-helmet-mtb","title":"Troy Lee Designs - D4 Polyacrylite The Line MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Polyacrylite The Line MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking, including Mips® C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKey Features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMips® C2 Rotational Impact Brain Protection System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced Polyacrylite shell construction\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e20 high-flow intake and exhaust ports\u003c\/li\u003e\n\u003cli\u003eFront air intake system, with high flow through polymer center and power grid side mesh\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCollarbone Suspension System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBreakaway visor screws\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnti-microbial padding\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1000g to 1150g\u003c\/li\u003e\n\u003cli\u003eQuick release contoured 3D cheek pads for anatomically optimized fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Troy Lee Designs","offers":[{"title":"Charcoal\/White \/ XS","offer_id":51614648566047,"sku":"174047001","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Charcoal\/White \/ SM","offer_id":51614681006367,"sku":"174047002","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Charcoal\/White \/ MD","offer_id":51614681039135,"sku":"174047003","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Charcoal\/White \/ LG","offer_id":51614681071903,"sku":"174047004","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Charcoal\/White \/ XL","offer_id":51614681104671,"sku":"174047005","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Charcoal\/White \/ 2X","offer_id":51614681137439,"sku":"174047006","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Fire\/White \/ XS","offer_id":51614681170207,"sku":"174047011","price":415.0,"currency_code":"USD","in_stock":false},{"title":"Fire\/White \/ SM","offer_id":51614681202975,"sku":"174047012","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Fire\/White \/ MD","offer_id":51614681235743,"sku":"174047013","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Fire\/White \/ LG","offer_id":51614681268511,"sku":"174047014","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Fire\/White \/ XL","offer_id":51614681301279,"sku":"174047015","price":415.0,"currency_code":"USD","in_stock":true},{"title":"Fire\/White \/ 2X","offer_id":51614681334047,"sku":"174047016","price":415.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/4314\/0895\/files\/TLD_SP26_MTB_17404700_D4_Polyacrylite_The_Line_Helmet_CharWht_6.jpg?v=1770928454"},{"product_id":"troy-lee-designs-2026-d4-polyacrylite-shadow-mips-helmet-mtb","title":"Troy Lee Designs - D4 Polyacrylite Shadow MIPS Helmet (MTB)","description":"\u003ch2\u003e\u003cstrong\u003eTroy Lee Designs - D4 Polyacrylite Shadow MIPS Helmet (MTB)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe reigning king of full-face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. 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