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 Strobel construction making it strong and extremely flexible. Medium Width Removable Footbed Metal Shank 5" Polyurethane Sole