en.walknrest.com Shoes with tenderness: -The upper is made of our special skin-like material. The material is waterproof and easy to clean and dry. Comfortable insole : -The insole material absorbs shocks effectively. -The insole is removable, washable, and replaceable. High resilience outsole: -The outsole is made of high-elastic material, so that it balances the weight load and friction with its cushion.