Outer features Full-grain oil treated leather upper Personalized Forma double density rubber sole Reinforced front plate Gear shift protection Padded front collar for added comfort Reinforced side panel Adjustable double velcro & double zip closure Rear reflective insert Inner features Personalized Forma Drytex membrane lining (waterproof & breathable) Shin & ankle TPU molded plastic protections Soft polymer padding with memory foam TPU Dual Flex with anti-shock EVA midsole Antibacterial replaceable footbed with A.P.S. (Air Pump System)