fabric-and-synthetic Imported Rubber sole Heel measures approximately 0.5 centimeters Earth-friendly recycled polyester webbing supports your foot and stands up to abuse while keeping plastic waste out of landfills Easy hook-and-loop closure comes on and off quickly and gets the fit just righ A cushioned Shoc Pad in the heel absorbs impact where you need it most 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 Strap type: Slingback O. Boxes, and APO addresses is not available for this item Warranty: 90 Day Woot Limited Warranty