Pleaser Women's TEEZE-2000/GSPU 100% Synthetic Rubber sole Shaft measures approximately 18" from arch Heel measures approximately 5.25" Platform measures approximately 1.25" Boot opening measures approximately 13.75" around True to size 5 3/4" Heel, 1 3/4" Platform 13.125" Calf Circumference 14.125" Boot Shaft Height