El Naturalista Women's N522 Ankle-Wrap Pump, 42 100% Leather Rubber sole Shaft measures approximately 5" from arch Heel measures approximately 3.25" Platform measures approximately 0.25" Boot opening measures approximately 9.75" around Vegetable tanned leather, Natural rubber outsole, Removable, breathable leather insole, Adjustable hook-and-loop strap, Comfort Last