**Information below taken from product website** The Naot Calima is a chic bootie flat with an inside zipper. This style features buckles with hidden gore. 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 1.5" polyurethane sole with a metal shank which is extremely lightweight, durable and abrasive to prevent slipping. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible. Our patented Naot Replacement Footbeds are also available for Calima. Product Information Fit: True to size, half sizes should size up Sole Material: Polyurethane Heel Height: 1.5" Width: Medium Slip Resistant: Yes Orthotic Friendly: Yes Removable Footbed: Aura