Founded in 1963, Alpinestars has become a global leader in protective gear for motorcycling and motorsports. Known for innovation, their products combine performance, comfort, and safety. From the track to the trail, Alpinestars’ boots, apparel, and protective equipment are trusted by world-class athletes and everyday riders alike.
Leatt - Moto 5.5 UltraWeld IKS Jersey, Pant Combo
Leatt - Moto 5.5 UltraWeld Jersey
Built for the highest levels of motocross and supercross, this ultra-light, form-fitting race jersey delivers 360° stretch, a semi-compression aerodynamic fit, and virtually seamless construction for total comfort. Made from breathable, bluesign®-approved fabrics with laser-cut ventilation and cooling treatment, the Moto 5.5 Ultraweld Jersey is race ready, neck-brace ready and extremely durable.
Key Features:
- Form fitting race fit with 360° stretch
- 3D anatomically cut from just three panels of bluesign® approved fabric
- Abrasion-resistant zones boost durability where you need it
- Breathable mesh and laser-cut vents for cooling
- Virtually seamless construction with minimal seams
Specifications:
- Aerodynamic/semi-compression shoulder and arm fit
- 180g (size large)
- Compression/anti snag/abrasion fabrics with maximum breathability fabrics
- Extremely lightweight construction and fabrics (10% lighter than previous model)
- Taped seams for improved comfort and fit
- ‘No collar’ design for comfort with or without a neck brace
- Bluesign® approved fabric
- OekoTex
- Reach Tested
- PFAS(PFC)-free
- 238 precision laser-cut perforations
- Fabric features a cooling function treatment
- Improved machine-washing durability
- Silicone pant gripper for maximum jersey retention inside pants
- Plastic-free packaging
- Sizes: S–3XL
Leatt - Moto 5.5 IKS Pants
These ultra-light, 4-way stretch pants deliver superb mobility, a seamless ergonomic fit and incredible ventilation. HeatGrip aramid-backed inner knee panels give easier maintenance, superior grip and durability compared to leather, while the multilayered I.K.S. panels keep brace wear low. The Twisted Yarn Micro Mesh shell and 250 laser-cut perforations provide optimal airflow when the heat is on.
Key Features:
- Form-fitting, 3D anatomically cut race pants
- DWR C0 80/20 water resistant treatment
- HeatGrip knee panels – superior to leather
- Lightweight fabric construction
- Laser cut ventilation perforations
Specifications:
- Aerodynamic build, ergonomic fit with a seamless seat and shaped crotch
- Twisted Yarn Micro Mesh 100% 4-way stretch
- Multi-layered I.K.S. inner panels
- 3D anatomically cut from 5 panels with 3D ergonomic pre-curvature, for optimal riding fit
- Twisted Yarn Micro Mesh main shell and 250 precision laser cut ventilation perforations
- Minimal, taped seams for durability
- New lighter I.K.S. system
- Bluesign® APPROVED fabric
- OekoTex
- Reach Tested
- PFAS(PFC)-free
- Plastic-free packaging
- 360° Hypalon Waistlock system
- Improved machine-washing durability
- Weight: 660g (size large)
- Sizes: XS-3XL (28-44”)
Leatt Adult Gear Combo Size Chart
Jersey/Jacket
| Size | Chest (in) | Arm (in) | Height |
|---|---|---|---|
| XS | 36–38" | 30–30.5" | 5'4"–5'6" |
| S | 38–40" | 30.5–31" | 5'6"–5'8" |
| M | 40–42" | 31–31.5" | 5'8"–5'10" |
| L | 42–44" | 31.5–32" | 5'10"–6'" |
| XL | 44–46" | 32–33" | 5'11"–6'1" |
| 2XL | 46–48" | 33–34" | 6'–6'2" |
| 3XL | 48–50" | 34–35" | 6'–6'2" |
| 4XL | 48–50" | 34–35" | 6'–6'2" |
| 5XL | 48–50" | 34–35" | 6'–6'2" |
Pants/Shorts
| Size | US | Waist (in) | Inseam (in) | Height |
|---|---|---|---|---|
| XS | 28 | 27–29" | 30–30.75" | 5'4"–5'6" |
| S | 30 | 29–31" | 30.75–31" | 5'6"–5'8" |
| M | 32 | 31–33" | 31–32" | 5'8"–5'10" |
| L | 34 | 33–35" | 32–32.75" | 5'10"–6'" |
| XL | 36 | 35–37" | 32.75–33.5" | 5'11"–6'1" |
| XXL | 38 | 37–39" | 32.75–33.75" | 6'–6'2" |
| 3XL | 40 | 39–41" | 33–33.75" | 6'–6'2" |
| 4XL | 42 | 41–43" | 33.5–34.25" | 6'–6'2" |
| 5XL | 44 | 43–45" | 33.5–34.25" | 6'–6'2" |