Product Color: Black Fit : Full Fit / Standard Outer Material : Imitation Leather Inner Material : Warm Lining Heel Length : 11 cm Sole Material : Neolite Sole Place of Production : Turkey The cuff width is 30 cm for a size 38, and the calf circumference is 39 cm. The leg length is 44 cm. There is a 0.5 cm difference in sizes. The product is a perfect fit. We recommend one size larger for scalloped or split feet. It's 100% handmade. It is suitable for daily use.