Stuart Weitzman Ladies Flats. SKU - SI438 U2A-ADOBE/CLEAR. Color - Adobe/Clear. Stuart Weitzman Stefanie Patent Slngback Ballet Flats. The Stefanie ballet flats is made from calf leather with a patent finish, and features crystal embellishments, a round toe, a slingback strap, a single toe strap, a slip-on design, a branded leather insole, and a flat leather sole. Outer - Patent Calf Leather 100%. Made in Spain. Please visit the brand website for sizing information.