ESSEX GLAM Womens Thigh High Boots Stiletto High Heel Over The Knee Stretch Leg Calf Point Toe Shoes Synthetic Synthetic sole Shaft measures approximately 21.5 from arch Stunning stretch thigh high pointed toe stiletto high heel boots Boot circumference approx. 15" (without stretch) Boot height from heel up approx. 21.5" | Heel height 4.25 Full Stretchable Leg For Most Shape Calf Fitting This style is labelled with UK/EU size but this will be equivalent to the US size ordered. E.G US5/UK3, US6/UK4, US7/UK5, US8/UK6, US9/UK7, US10/UK8, US11/UK9