Kelsi Dagger Brooklyn Women's Briallen1 Boot 100% Leather Synthetic sole Shaft measures approximately 26" from arch Heel measures approximately 3 1/2" Platform measures approximately 3/4" Boot opening measures approximately 17 1/2" around Suede with Leather Sole Shaft measures approximately 26" from arch Heel measures approximately 3 1/2" Platform measures approximately 1/2" Boot opening measures approximately 19" around