TSUBO Women's Troian Boot Leather Imported Synthetic sole Shaft measures approximately 5.5" from arch Heel measures approximately 3.5" Platform measures approximately 0.5" Boot opening measures approximately 10" around Soft supple leather upper Modern ankle bootie Dri-lex lining to wick moisture 4 inch heel with 1/2 inch forefoot platform Polyurethane molded outsole base with stacked leather heel and non-slip rubber bottom