Merrell Women's Luxe Mid Boot Oiled Nubuck Rubber sole Molded nylon shank offers superior arch support. Dual-density polyurethane midsole gives fee amazing support and cushioned comfort. Air Cushion centers your heel as you walk for excellent cushioning and stability. Oiled nubuck leather upper, leather upper lining and sockliner, EVA insole, polyurethane midsole... Care: Wipe off with a damp cloth. Air dry.