The Delilah is a stylish knee-high boot with a leather and stretch combination upper making it a great fitting boot. The leather has contrasting stitching to give it more of a stylish look. Naot's removable anatomic cork & memory foam footbed is wrapped in leather & microfiber and molds to the shape of the foot with wear. This collection uses a hand-sewn stroble construction making it strong and extremely flexible. The Tres Jolie Collection features a 3'' polyurethane sole with a metal shank. Material: Leather, polyurethane, cork.