Fashion Thirsty Womens Sexy Over The Knee Thigh High Chunky Platform Heel Stretch Boots Size Synthetic Synthetic sole Gorgeous Over The Knee Boots Which Can Stretch To Fit A Wide Range of Calfs Approx Heel Height of 4.3 Inches / 10.8 cm Approx Platform Height: 1.7 Inches / 4.4 cm Approx Boot Height: 21.5 Inches / 54.6cm, Approx Boot Opening Circumference: 15 Inches / 38.1 cm Please Order Usual US Size But Note That This Item Will Be Labelled with Corresponding UK or EU Size - E.G. US 5 = UK 3, US 6 = UK 4, US 7 = UK 5, US 8 = UK 6, US 9 = UK 7, US 10 = UK 8 and so forth..