Optimal Women Winter Snow Warm Mid-tude Boots pleather Rubber sole Platform measures approximately .50" (Unit:CM) Size: 35 36 37 38 39 40 Tude Height: 17.2 17.6 18 18.4 18.8 19.2 Circumference: 35.3 36 36.7 37.4 38.1 38.8 Sole Width: 9.4 9.5 9.6 9.8 10 10.2 Sole material: Rubber Sole Thickness: 2.5cm Upper material: Leather & sequins cloth Lining material: Artificial Nap