Insole Length: 0-50 cm. It is a perfect fit. It is recommended for those who wear ankle boots and have wide feet to buy one size larger. We recommend that you get used to your new shoes by wearing thick socks at home for a while to prevent them from getting bumped at the beginning. They will adapt to your feet in a short time. They are suitable for daily use. Inner lining that does not cause odor and sweat. Non-slip sole is used. Inside: 1st Quality Inner Lining. Outside: 1st Quality Artificial Leather. Base: 100% Polyurethane. 100% Domestic Production. All our shoes are produced in our own factory. We recommend that you clean and maintain the shoes you purchase by using shoe cleaning and care products. Do not wash the shoes you bought from us in the washing machine.