1.2-1.4mm full-grain leather for excellent abrasion resistance.—Multiple-stitched main seam construction for maximum tear resistance.—Alpinestars exclusive, patented, external high-modulus thermoplastic protection on the shoulders.—Removable CE certified GP Protectors with injection-molded shell and dual density foam padding.-- 90 anatomical race fit.—Ergonomically placed stretch Kevlar panels for optimal flexibility—Leather flex zones on waist and knees.—MotoGP profile, ventilated, back hump for improved aerodynamic and ventilation performance.—Soft neoprene, comfort cuff and collar construction.—Chest pad compartments with PE protection (Alpinestars Bionic chest guards available as accessory upgrade).—YKK Semi Auto Lock zippers—Removable mesh liner—Perforated leather panels for increased cooling—Micro injected logos—Alpinestars Bionic Race back protector is supplied as standard and located with a secure snap connection.