1.2-1.4 mm full-grain leather with a smooth matte finish for excellent abrasion resistance. Multi pannelled graphic design. Technically advanced for better look, feel and fit. Multiple-stitched main seam construction for maximum tear resistance. Removable CE certified GP protectors. Ergonomically placed stretch Kevlar panels for optimal flexibility. Leather flex zones at the waist, knees, and elbows. MotoGP profile hump for improved aerodynamic performance. Soft neoprene, comfort cuff and collar construction. Removable mesh liner. Patented calf expansion pockets improve range of calf fit. Chest pad compartments with PE protection (Alpinestars Bionic chest guards available as accessory upgrade). YKK semi auto-lock zippers. Replaceable GP sliders. Die cut ventilation. Micro injected logos. New Alpinestars graphics on the arms. Fully perofrated construction for increased cooling.