Features Microfiber upper Specific racing compound rubber sole Ankle support system Injection moulded plastic protections Polyurethane toe sensor Replaceable calf & ankle protection slider Personalized plastic gear pad protection Air ventilation pockets Velcro & zip closure Rear reflective insert Personalized Forma Drytex tubular lining (waterproof & breathable) Polyurethane nylon reinforcements Soft polymer padding with memory foam TPU Dual Flex with anti-shock EVA midsole Anti-bacterial replaceable footbed with A.P.S. (Air Pump System) A.P.S. System Air is pumped from a specific centralized position in the A.P.S. perforated footbed to the entire insole, consequently, air circulation within the boot keeps feet cool & comfortable.