The Naot Helm is the perfect bootie with double zippers for accessibility. The Helm has a padded heel cup; instep for ultimate comfort. This boot has padded technical lining for comfort, warmth; moisture absorption. Naot's removable, anatomic cork; latex footbed is wrapped in microfiber; leather and molds to the shape of the foot with wear. The Aura Collection features a 1.5" polyurethane sole with a metal shank which is extremely lightweight, durable; abrasive to prevent slipping. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible. Larger Sizes Available.