The Alpinestars Atem Leather Jacket represents the tip of the spear for street riding gear. Essentially the upper half of a high-end race suit. The Atem Leather Jacket is designed specifically for those who accept no compromises when it comes to performance. Ready to zip to a pair of Alpinestars leather pants, the Atem is perfect for aggressive and technical riders who split their time between the street and track. This features 1.3 mm premium grade leather construction with reinforcements in critical impact zones, Aramidic stretch chest insert to further improve fit and feel, inner cuff adjustment improves range of fit and comfort, critical perforated panels on upper and lower body for improved ventilation, external Alpinestars exclusive Dynamic Friction Shield (DFS) technology shoulder protectors, aero hump for improved aerodynamic and ventilation performance, multiple external perforated leather panels with foam protector inserts, large accordion stretch panels, Aramidic stretch panels on sleeve areas to further improve fit and feel, removable, multi panel construction, inner liner and 3D mesh inserts to improve comfort and ventilation, inner waterproof pocket, D-ring waist adjustment for precision fitting, removable security strap keeps the jacket positioned in case of a feet-first slide, chest pad compartments with PE padding, multiple snap button system to integrate level 2 CE certified Alpinestars nucleon back protector (sold separately)Neoprene comfort edge around collar and cuffs prevents skin chafing, CE certified shoulder and elbow protectors and fully conforms to CE standard: EN 13595- 1 for riding safety.