Naot Women's Vistoso Boot 100% Leather Imported Synthetic sole Shaft measures approximately 4.5" from arch Heel measures approximately 2.5" Boot opening measures approximately 10.5" around Side zipper and a decorative leather bow across the top Padded upper shaft for extra comfort.naot's anatomic cork & memory foam footbed is wrapped in leather & microfiber and molds to the shape of the foot with wear Hand-sewn strobel construction making it strong and extremely flexible Polyurethane sole with a metal shank Fashionable ankle boot