The woven textile straps of the �Newport Water-Friendly Slide" sandal from Dunham adjust for a customized fit over your instep. The molded EVA and Memory Foam footbed and nylon shank support the foot. Lightweight EVA midsole and rubber outsole provide cushioning and traction. Whole sizes 8 to 18 in 4E and 9 to 16 in 6E.