Buttery soft leather and flexible construction, Naot Patu is the comfiest ankle boot. The Patu features Naot's removable, anatomic cork and latex footbed, which molds to the shape of the foot with wear. The Koru Collection features a 1" polyurethane sole which is extremely lightweight, durable and slip resistant. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible. American Podiatric Medical Association (APMA) Accepted for promoting good foot health.