NAOT. 26030-RK4. HELM. VIOLET BORDEAUX. The Naot Helm is the perfect bootie with double zippers for accessibility. The Helm has a padded heel cup and instep for ultimate comfort. This boot has padded technical lining for comfort warmth and moisture absorption. Naot s removable anatomic cork and latex footbed is wrapped in microfiber and leather and molds to the shape of the foot with wear. The Aura Collection features a 1.5in polyurethane sole with a metal shank which is extremely lightweight durable and abrasive to prevent slipping.