KEEN Women's Tyretread Waterproof Boot 100% Leather Imported Synthetic sole Shaft measures approximately 12.5" from arch Heel measures approximately 1.5" Platform measures approximately 0.5" Boot opening measures approximately 13.5" around Medial zipper for fitted ankle area Moisture wicking Dri-Lex lining reduces friction Non-marking rubber outsole PU midsole Removable metatomical molded recycled foam footbed