The Avena is an orthotic-friendly lace up shoe on the Koru collection. This style features a metallic trim and stylish combination of perforated leather and nubuck. AVENA will keep you looking fresh and fashionable all day. This style also features NAOT's removable anatomically-correct cork and latex innersole which is wrapped in soft suede which moulds to the foot with wear. The NAOT Women’s Koru Collection features a 3.54cm polyurethane sole which is extremely lightweight, flexible, and durable.