Design: A timeless blend of classic style and modern comfort and designed with character. Premium water-resistant leather Leather and synthetic lining Contoured EVA footbed with XRD(R) Technology for maximum comfort TPU Classic #550 outsole with XRD heel insert Polyurethane midsole Double stitching on the upper for extra strength XRD(R) in the heel for supreme shock absorption Steel shank Additional Details: Classic design inspired by the iconic design with added comfort features Reinforced stitching around the heel and gusset balances comfort and durability.