For the devoted sportsbike rider, Alpinestars have provided the GP Pro Leather Jacket. This is constructed from premium 1.3mm full-grain leather for optimal abrasion resistance and durability and features an aerodynamic, dual density back hump that promotes airflow within the jacket to improve ventilation, PU external sliders on the shoulders and elbows to help reduce the risk of the rider being pitched into a tumble when sliding, removable CE certified GP elbow and shoulder protectors provide excellent impact protection, chest and back pad compartments with PE protective padding, integrated Bionic Race Back Protector snap connection system, lateral accordion stretch panels across the back assist body movement while on the motorcycle, accordion stretch panels in the elbows help maintain proper fit and flexibility when in the riding position, additional stretch panels in the sleeves, inner mesh lining panel inserts work with outer stretch zones for a snug fit, D-ring waist adjustment affords a tailored fit, internal waist connection zip allows attachment with a wide range of Alpinestars pants and YKK auto-locking zips offer secure closure.