ESSEX GLAM Womens Knee High Faux Suede Low Heel Biker Boots microfiber Synthetic sole Shaft measures approximately 19.2 Inches / 48 CM Boots Height From Heel Up Approx from arch Stunning women's knee high boots with full length backside zip Beautiful Full Length Backside Zip 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