Medium Width fitting. Removable Innersoles. The upper is made of fine natural Italian leather that breathes and keeps the foot fresh. This collection features Naot’s removable, anatomical cork & latex footbed which is covered in suede and molds to the shape of your foot. The sole is constructed of high-quality rubber, polyurethane, and latex and is light, retains flexibility, shock absorbent and are highly resistant to erosion.