The Naot Mistral is an ankle boot with laces and contrasting leathers. This style has a pull tab to ease entry and a padded tongue for ultimate comfort. The Mistral has padded technical lining for comfort, warmth and moisture absorption. Naot's removable, anatomic cork and latex footbed is wrapped in leather and molds to the shape of the foot with wear. The Aura Collection features a 1.5'' polyurethane sole which is extremely lightweight, durable and abrasive to prevent slipping. This collection uses a hand-sewn strobel construction making it strong and extremely flexible.