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 3.2 cm polyurethane Heel with a metal shank and 1.5 cm Sole which is extremely lightweight, durable & abrasive to prevent slipping. Medium Fitting.