The Rivotra is a stylish bootie that can transition with the seasons! The Rivotra has a padded heel cup & instep for ultimate comfort. This boot has padded technical lining for comfort, warmth & moisture absorption. 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 stroble construction making it strong and extremely flexible.