Quick-dry webbing made from recycled plastic using traceable Easy hook-and-loop closure comes on and off quickly and gets the fit just right A cushioned Shoc Pad in the heel absorbs impact where you need it most An added contoured EVA midsole gives you added arch support , Nylon shank stabilizes and supports your foot on uneven terrain Rugged Spider Rubber outsole, designed to work in wet conditions, is extremely durable and supplies great traction