Aetrex Women's Lace-Up Athletic Walker Shoes Leather Semi-curved sole is designed to hold your rearfoot in place and provide freedom at your forefoot. Insole with Mozaic Customization Technology enables you to take away areas of discomfort. Leather upper brings durability and breathability together for a comfortable fit. Leather upper, polyester fabric upper lining, polyurethane insole... Triple-density sculpted midsole, rubber outsole. Care: Spot clean upper with a damp cloth.