Quick-dry webbing made from recycled plastic Polyester yarn by Unifi® supports your foot and stands up to abuse Easy hook-and-loop closure comes on and off quickly and gets the fit just right Injection-molded strap ends for quick and easy grip and adjustability A lightweight EVA-foam midsole adds extra cushioning for maximum comfort Nylon shank stabilizes and supports your foot on uneven terrain Rugged Rubber outsole stands up to abuse and supplies great traction