The BERKLEIGH square toe knee boot gives you a sleek and defined silhouette with a stretch fabric construction and platform sole with a block heel . Square toe platform block heel knee boot Side zipper closure 3.25 inch heel height 1 inch platform Size 6 measurements: 13.39 inch top-shaft circumference, 11.9 inch mid-shaft circumference, 15 inch shaft height Size 8 measurements: 14.17 inch top-shaft circumference, 12.3 inch mid-shaft circumference, 16 inch shaft height Size 10 measurements: 14.96 inch top-shaft circumference, 12.6 inch mid-shaft circumference, 16.5 inch shaft height For correct calf measurements, measure your bare calf at its widest circumference with your foot flat on the ground Features stretch material for a flexible fit — may allow for additional calf circumference beyond listed measurements Vegan leather upper material Textile lining Vegan leather sock Synthetic sole Imported