Features Synthetic material and Cordura® upper Personalized Forma double density rubber sole Gear pad protection Padded collar for added comfort Adjustable double velcro closure Rear reflective insert Personalized Forma Drytex tubular lining (waterproof and breathable) Ankle TPU moulded plastic protections 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 and comfortable.