Rene Caovilla Ladies Heels. SKU - C12185-040-NA01V050-BLACK LAMB/JET. Color - Black Lamb/Jet Strass. Rene Caovilla Kristen Crystal Embellished Pumps. The Kristen pumps feature a round toe, an upper strap with an adjustable buckle closure, and a tonal crystal-embellished toecap and heel. Crafted in Italy, they are set on a low 4 cm block heel with a leather outsole for a refined finish. Outer - Calf Leather 100%, Fabric 100%, glass 100%. Made in Italy. Please visit the brand website for sizing information.