The Rongo is a closed toe sling back shoe with a unique contrasting upper. This style has a padded backstrap with gore for adjustability and a hook and loop closure at the instep. Naot's removable, anatomic cork and latex footbed is wrapped in pampering suede and 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 stroble construction making it strong and extremely flexible. Material: Leather.