The Karenna is a completely adjustable sandal with a backstrap. This sandal has a hook and loop closure at both the instep and front strap. The Karenna features side panels for additional support. Naot's removable, anatomic cork and latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Scandinavian Collection features a 1.25" polyurethane sole which is extremely lightweight and durable. American Podiatric Medical Association (APMA) Accepted for promoting good foot health. Our patented Naot Replacement Footbeds are also available for Karenna.