Quick-dry webbing made from recycled plastic using traceable, verifiable REPREVE® 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 cushioned Shoc Pad™ in the heel absorbs impact where you need it most, Lined with lightweight, breathable mesh that keeps your feet cool and comfortable, Rugged Spider Rubber outsole is extremely durable and supplies great traction.