Outer features Leather & synthetic material upper Specific MX compound rubber sole Injection molded plastic protections Personalized suede leather heat protector Adjustable velcro closure Replaceable/adjustable GH plastic buckles Steel toe cap Inner features Padded inner lining Polyurethane nylon reinforcements Soft polymer padding with memory foam I.S.S. (Incorporated Steel Shank) with anti-shock felt midsole Antibacterial replaceable footbed with A.P.S. (Air Pump System)