The Naot Superior is a lace up boot. Naot's removable, anatomic cork and latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Executive Collection features a 1.75" TPR sole. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible. Our patented Naot Replacement Footbeds are available for Superior.Plus, it's American Podiatric Medical Association (APMA) accepted for promoting good foot health.