Rene' Caovilla Swarovski Crystal Embellished Nude Slides Size 36.5. Gorgeous. 4-in heel. One of Caovilla's unique approaches to shoe making is his use of high-quality materials. From the finest Italian leathers to delicate lace and Swarovski crystals, every component is carefully selected to ensure that each pair of shoes exudes luxury and sophistication. Great condition, gorgeous embellishments with no missing Stones, there is some wear to the soles.