Sizing Guide Get the Right Fit
• Constructed with durable and abrasion resistant 600 Denier Polyester Fabric with extended mesh panels on the torso and arms providing substantial airflow when riding for superior comfort in warmer weather conditions.
• CE-certified Bio-Armor elbow and shoulder protectors for added impact protection.
• Chest and Back protector compartments with advanced poly-foam comfort padding (CE-certified Bio-Armor back protector insert available as accessory).
• Nucleon KR-Ci. Size S-M use XS/S, Size L+ use M/XL.
• Nucleon KR-1i and KR-2i. Size S-M use MEDIUM insert. Sizes L-4XL-60 use LARGE.
CUSTOMIZATION and COMFORT
• Sport fit with pre-curved sleeves for enhanced riding comfort.
• Internal waist connection zipper allows attachment to selected Alpinestars leather and textile pants.
• External zipped hand pockets, plus internal pockets and waterproof wallet pocket.
• Sleeve volume adjusters on biceps and Velcro cuff adjustment for improved fit.
SELECTION AND FITTING
• NOTE: All products shown on this page are sized according to the INTERNATIONAL SIZE listed in the MEN’S APPAREL SIZE CHART