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Dial in the perfect fit with our official Fly Racing size chart guide. Whether you're chasing lap times, trail-blazing, or just want motocross gear that actually fits, this page has everything you need — from boots to helmets and everything in between.
Explore our detailed sizing for Fly Racing motocross gear, including men’s, women’s, and youth riding apparel, gloves, boots, helmets, and protective gear. Ride confident, ride Fly.
Men's Fly Racing Jersey & Pant Size Guide
Looking for the right fit in Fly Racing motocross jerseys and pants? This chart covers men’s adult and youth racewear for optimal performance on the bike.
How to Measure:
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Sleeve: Measure from the base of your neck, over the shoulder, and down to the wrist.
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Chest: Wrap the tape around the broadest part of your chest.
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Waist: One inch below the navel for the most accurate fit.
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Inseam: From the top of your inner thigh down to the ankle.
Model Fit Reference: 6'5", 195 lbs, wearing size Medium jersey, 32 pant, and size 10 Fly boots.
Fly Racing men's riding gear runs true to size — built for serious riders who demand performance without compromise.
Fly Racing Women's Jersey & Pant Sizing
Fly Racing’s women’s motocross gear is tailored for fit, mobility, and durability.
How to Measure:
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Bust: Measure around the fullest part of the chest.
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Waist: Around the smallest part of the waistline.
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Hip: Around the widest part of the hips.
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Inseam: Measured from inner thigh to ankle.
Fly Racing women’s riding pants and jerseys are designed to fit real riders — whether you're racing, training, or trail riding. This chart includes both adult and youth women's gear.
Youth Fly Racing Gear Size Chart
Fly Racing youth gear is engineered for groms who go hard. Get the perfect fit for growing riders in youth pants, jerseys, and protective racewear.
How to Measure:
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Sleeve: Center of the spine to the wrist, around the elbow.
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Chest: 1–2 inches below the armpits.
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Waist: 1 inch below the belly button.
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Inseam: Inner leg length to ankle.
Fly Racing youth sizes are built for durability and mobility — perfect for future pros.
Fly Racing Glove Size Chart
Fly Racing motocross gloves are designed for max control and minimal bulk. Sizing is based on palm width, just below the knuckles.
How to Measure:
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Wrap a soft tape around the widest part of your palm.
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Choose your size based on the chart below.
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If you're between sizes, size up for comfort or down for tighter control.
Fly gloves are available in men’s and women’s sizing — each tailored for a proper fit on the bars.
Fly Racing Helmet Size Chart
Choosing the right helmet is crucial for safety and performance. Use the Fly Racing helmet fit guide to find the right size based on your head circumference.
How to Measure:
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Start one inch above your eyebrows and loop around the widest part of your head.
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Use a soft measuring tape or string and compare with our helmet chart in inches or centimeters.
Fly Racing helmets offer a snug, race-ready fit and are DOT/ECE approved. Don’t settle for anything less when it comes to protection.
Fly Racing Protection Size Guide
Fly’s protective gear — including knee pads, elbow pads, and armored jerseys — is built to keep you safe without sacrificing comfort.
How to Measure:
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Jerseys: Sleeve and chest — same as standard sizing.
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Elbow Pads: Bicep and forearm circumference.
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Knee Pads: Measure thigh and calf, about 4 inches above and below the knee.
Proper fit means less slipping, better protection, and more confidence whether you're racing or riding trails.
Fly Racing Boots Size Conversion Chart
Fly Racing boots are designed for impact protection, ankle support, and race-day comfort. Use the chart to convert boot sizes across U.S., European, Japanese, UK, and millimeter measurements.
How to Measure:
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Trace your foot on paper and measure toe to heel in millimeters.
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Use that measurement to find your U.S. or international boot size.
Pro Tip: Always wear moto socks when trying on boots. Fly boots fit snug out of the box and break in after a few rides.
Need Help Finding Your Size?
Still not sure what size Fly Racing gear is right for you? Our team of moto experts is here to help. Reach out to BTO Sports customer support for personalized sizing advice, gear recommendations, and fit tips.
Call or message us — we’ll help you get dialed in and back on the bike fast.
Motocross Gear & Dirt Bike Apparel Sizing Charts
Welcome to the official sizing chart hub for motocross, dirt bike, BMX, and action sports gear at BTO Sports. Getting the right fit is critical not only for your comfort but also for your performance and safety on the track, trail, or street. Whether you’re gearing up with a new helmet, boots, gloves, or protective gear, our size guides make it easy to get it right the first time.
We’ve compiled detailed sizing charts for all the top brands in the industry so you can ride with confidence knowing your gear fits as it should.
Browse Sizing Charts by Brand
6D Helmets Sizing Chart
Use this guide to properly size your high-tech 6D helmet for comfort and safety.
Airoh Helmets Sizing Chart
Premium motocross helmets including street, dirt, and adventure.
Alpinestars Sizing Chart
Premium motocross gear including boots, gloves, and body armor.
Arai Helmets Sizing Chart
Use this guide to properly size your Arai helmet for a secure, comfortable fit that delivers premium protection on every ride.
Asterisk Knee Braces Sizing Chart
Ensure your Asterisk knee braces fit snug for optimal support and safety.
Bell Helmets Sizing Chart
Detailed helmet sizing for maximum safety and comfort.
EVS Sports Sizing Chart
Detailed protection sizing for maximum safety and comfort.
Fasthouse Sizing Chart
Stylish and functional sizing for BMX and motocross riders.
Fly Racing Sizing Chart
Find your fit across casual apparel, jerseys, gloves, and boots.
Forma Sizing Chart
High-quality Italian boot sizing to get the perfect fit for motocross and enduro.
Fox Racing Sizing Chart
Sizing for helmets, pants, gloves, and jerseys.
Gaerne Sizing Chart
High-quality Italian boot sizing to get the perfect fit for motocross and enduro.
KLIM Sizing Chart
Complete sizing for men’s, women’s, and youth KLIM gear, including jackets, pants, gloves, boots, and helmets.
Leatt Sizing Chart
Sizing charts for neck braces, body armor, and helmets for full protection.
LS2 Helmet Size Chart
LS2 Helmet Size Guide for Adults & Youth Riders
O’Neal Sizing Chart
Find your fit for O’Neal’s helmets, gloves, and boots with these guides.
Pod MX Sizing Chart
Lightweight, adjustable knee braces designed for all-day comfort and protection.
Seven MX Sizing Chart
Lightweight gear with a second-skin fit. Great for race-day performance.
Shoei Helmets Sizing Chart
Precision-fit helmets start here. Use the Shoei chart for best protection.
Sidi Boots Sizing Chart
Advanced sizing for high-performance motorcycle footwear.
Thor Racing Sizing Chart
Reliable motocross sizing for jerseys, helmets, and gloves.
Troy Lee Designs Sizing Chart
Race-proven gear with size guides for helmets, pants, and more.
Looking for a brand not listed here? Email us at cs@btosports.com and our product experts will help you find the right sizing info.
Why Proper Sizing Matters for Your Riding Gear
Wearing properly fitted gear improves safety, control, and comfort. Ill-fitting helmets, boots, or braces can reduce protection during crashes or impair mobility while riding. Whether you’re a beginner or a seasoned rider, correctly sized gear from trusted brands gives you the confidence to perform at your best.
Key Sizing Categories
- Helmets: Use our brand-specific helmet sizing charts to find the right fit. Explore our helmet collection.
- Boots: Proper fit enhances control and reduces fatigue. Browse our dirt bike boots.
- Protective Gear: Chest protectors, neck braces, and knee braces require a snug, accurate fit. View our protective gear collection.
- Jerseys & Pants: Comfort and mobility start here. Check out our jerseys and pants collections.
Need Help with Sizing?
Still unsure about your size? Our experienced team is here to help. Contact us and we’ll walk you through sizing, gear recommendations, and more.
Phone:
1-805-777-7601
1-888-613-3393 (Toll-Free)
Email:
cs@btosports.com
We’re committed to helping you find gear that fits right and performs even better.