Outer: Full-grain oil treated leather upper. Specific adventure/enduro/atv-quad double density compound rubber sole. Injection molded plastic protections. Plastic gear pad protection. Adjustable Velcro closure. Replaceable/adjustable GH plastic buckles. Inner: Drytex lining (waterproof and breathable). Shin and ankle TPU molded plastic protections. Ankle reinforcements. Special stiff nylon midsole- PP Mid Dual Flex with anti-shock EVA midsole. Extra soft polymer padding with memory foam. Anti-bacterial replaceable footbed with APS (Air Pump System).