Gema has a slightly padded heel cup for support and extra comfort. Naot's anatomic cork and memory foam footbed is wrapped in leather and 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 Prima Bella Collection features a 2 3/4" polyurethane sole with a metal shank.Our patented Naot Replacement Footbeds are also available for Gema.