The Naot Viento is an upper calf boot with an inside zipper. This style has a heel cup for stability and support. Naot's removable, anatomic cork and latex footbed is wrapped in microfiber and leather and molds to the shape of the foot with wear. Our patented Naot Replacement Footbeds are available for Viento. Product Information Sole Material: Polyurethane Heel Height: 1.5" Width: Medium Slip Resistant: No Orthotic Friendly: Yes Removable Footbed: Aura