Stuart Weitzman Ladies Heels. SKU - SI415 UIX-RIOJA. Color - Rioja. Stuart Weitzman Naomi 50 Slingback Pumps. These leather shoes feature elegant lines with a refined pointed toe, classic slingback straps, and an elastic insert for a seamless fit, all set on a 50mm (2-inch) kitten heel. 100% Leather. Made in Spain. Please visit the brand website for sizing information.