Naot Women's Rivotra Ankle Boot Perf Black Combo/Soft Blk A beautiful ankle boot with contrasting materials and perforated designs, the Rivotra is perfect for transitional wear. The Rivotra comes with Naot's removable, anatomic cork & latex footbed for all day comfort. 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. Naot Women's Rivotra Ankle Boot Perf Black Combo/Soft Blk