Call It Spring Women's Robideau Slouch Boot 75% Polyurethane/25% Polyester Imported Leather and Synthetic sole Shaft measures approximately 18.75" from arch Heel measures approximately 3.75" Platform measures approximately 0.75 inches Boot opening measures approximately 15.5" around Knee-length boot with tall wedge and platform featuring lizard-embossed panel at shaft and full-length zip