Sizing Guide Get the Right Fit
• Highly durable and technical premium 1.3 leather, multi-panel construction for superb abrasion resistance, with reinforced stitching for optimum tear resistance and strength.
• Alpinestars race‐derived, CE‐approved Bio-Armor shoulder and elbow protectors which are subtlety inserted under jacket.
• Dual density, advanced polymer shoulder sliders are ergonomically incorporated into garment’s sport styling design for added abrasion resistance.
• Chest pad compartments with PE padding (Alpinestars Bionic chest pads and Back Armor available as accessory upgrade).
• Nucleon KR-Ci. Size 46-50 use XS/S, Size 52+ use M/XL.
• Back pad compartment with PE padding (Alpinestars Bionic Back protector available as accessory upgrade).
• Nucleon KR-1i and KR-2i. Size 46-50 use MEDIUM insert. Sizes 52-60 use LARGE.
• Advanced polyamide accordion stretch inserts on rear for an excellent fit optimized for all styles of riding.
• Accordion leather stretch panels on elbows allow greater range of movement.
• Extensive poly-fabric stretch panels under the arms helps keep jacket sleeves positioned close to rider’s body.
• Perforated padded panels integrated into main shell and sleeves for improved fit.
• Pre-curved sleeve construction helps reduce riding fatigue and prevent material bunching.
• Combination Velcro® and zipper wrist closures for secure and customized fit.
• Velcro® and D‐ring waist adjustments ensure highly customized fit and secures jacket in position.
• Alpinestars exclusively developed ventilation inlets on shoulders are zippered to allow efficient regulation of interior temperature.
• Soft 3D mesh collar and cuff construction plus Neoprene edging for improved comfort and breathability.
• Fixed mesh liner construction for improved breathability, comfort and ventilation.
• External, large-opening front hand pockets are zippered for peace-of-mind closure.
• Multiple internal compartment pockets feature Velcro® for additional security.
• Interior waterproof wallet pocket for safe storage of documents/electronics.
• Waist connection zipper allows attachment to Alpinestars riding pants.
• Premium YKK® zippers used throughout garment for durability.
• Reflective detailing for improved rider visibility.
SELECTION AND FITTING
• NOTE: All products shown on this page are sized according to the EURO SIZE listed in the MEN’S APPAREL SIZE CHART