Black/Red Sz 48 Alpinestars SP-1 Leather Jacket Find Jackets-Leather-Mens at Chaparral Motorsports With a range of track tested performance and protection innovations, the SP-1 Jacket is constructed from premium leather and incorporates strategically positioned leather accordion and poly-textile stretch panels for an excellent sport riding fit while offering comfort and flexibility. Durable 1.3mm premium leather construction with flexible leather accordion stretch panels on the elbows and upper arms for contoured fit and comfort Chest pad and back compartments with advanced poly foam padding Strategically placed stretch poly textile panels on underarms, torso, and rear shoulder helps movement and comfort on the bike Snap button system to integrate the Level 2 C.E. certified Alpinestars' Nucleon back protector Removable C.E. certified, race developed internal protectors offer lightweight performance and superior impact protection to shoulders and elbows Developed shoulder protection features over molded advanced TPU (Thermoplastic Polyurethane) guard layered under the outer fabric for optimized levels of protection and comfort Large accordion leather stretch inserts on elbows and upper arms for movement on the bike and which help reduce rider arm fatigue D-ring waist adjustment helps keep jacket firmly in place and ensures precision fit Internal mesh inserts on collar and cuffs for improved comfort and airflow Inner waterproof pocket plus internal compartments for safe and convenient storage Cuff adjustment includes snaps and semi-auto locking zips for range of fit and improved comfort, plus snap button fixtures on collar and waist Waist connection zipper allows attachment to Alpinestars' riding pants Fixed mesh lining to improve comfort and ventilation with multiple compartment pockets External zippered plus inner waterproof compartment for safe peace of mind storage