MOTORCYCLE RIDING LEATHER JACKET OUTER SHELL Danilo Petrucci jacket features 1.2-1.3 mm thick drum dyed top-grain cowhide leather for excellent abrasion resistance. Pre-curved sleeves for proper riding position. Original YKK zipper at front, cuffs & calf. This biker jacket have CE approved external protectors. Kevlar look stretchable Cordura at sleeves, & calf. Safety stitch. INNER SHELL this bike jacket also have 100% polyester mesh lining. CE approved removable protectors on shoulder, elbow. CE approved removable back protector & hump. Safety stitch.