Montbell Slip-On Sandals Unisex - BlackThese sandals are very easy to walk in thanks to mont bell unique straps that holds the instep firmly, preventing movement of the heel. The straps that come in direct contact with the foot are made with materials gentle on the skin. United States Patented Design (U. S. Patent No. D29 26675) Specs Material: Upper: polyester, E. V. A. foam Sole: rubber Weight: 128g Weight Information(Size M, 1 2 pair) Due to the manufacturing process, actual weight may