The Rakua's combination of leather and nubuck and a stretchy strap make it a simple yet versatile shoe. It is perfect for any occasion or outfit. The Rakua also has Naot's removable, anatomic cork & 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 & slip resistant. This collection uses a hand-sewn strobel construction making it strong and extremely flexible.