Outer features Synthetic material upper Specific MX compound rubber sole Stitched F.C.S. (Flex Control System) Injection moulded plastic protections Personalized rubber heat protector Adjustable velcro closure Replaceable/adjustable GH plastic buckles Steel toe cap Certified according to EN 13634:2017 Inner features Padded inner lining Polyurethane nylon reinforcements Soft polymer padding with memory foam I.N.&F.S. (Incorporated Nylon & Fiberglass Shank) midsole Anti-bacterial replaceable footbed with A.P.S. (Air Pump System) Standard Off-Road Fit, ergonomically designed for maximum foot sensibility & performance off-road riding, used in all adult off-road boots without separate inner boot Air pump system Air is pumped into the entire sole from a central point in the perforated A.P.S. footbed. The resulting air circulation keeps the foot cool & comfortable.