This style features arch support and a metal shank. Naot's flexible, removable, anatomic cork & latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Heritage Collection features a 1.8" TPU sole. Fit - True to size, half sizes should size up. Sole Material - TPU. Heel Height - 1.8". Width - Medium. Slip Resistant - No.