The ZENOVIA square toe knee boot is set on a wide outsole with a block heel, a comfortable base that makes this sleek and defined style super wearable. Block heel square toe knee boot Slip-on style with stretch fabric and a back pull loop 3.25 inch heel height 1 inch platform Size 6 measurements: 12 inch shaft circumference, 14.5 inch shaft height Size 8 measurements: 13.5 inch shaft circumference, 15 inch shaft height Size 10 measurements: 14 inch shaft circumference, 15.5 inch shaft height Vegan leather upper material Textile lining Vegan leather sock Synthetic sole Imported