Podiatrist designed Orthotic technology in a great looking all purpose thong Orthotic Treatment for when you are not wearing their shoes & orthotics. Lightweight, flexible medium-density EVA midsole absorbs shock, reducing stress on feet, ankles and knees. Soft woven toe post and foam-lined strap ensure a comfortable fit. Unisex, whole sizes; fits medium widths. Materials: mesh webbing upper, neoprene upper liner, EVA footbed, rubber outsole