3-layer, leather-covered, removable insole and two full-length inserts (2mm and 3mm) for custom fit. A stretchable center element in the upper improves fit and enhances comfort. Leather upper, nylon and polyester upper lining, polyurethane, polyurethane midsole and outsole. Leather and EVA insole Care: Buff with a leather cleaner or polish. Wipe off with a dry cloth.