Rene Caovilla Ladies Heels. SKU - C12037-040-R001V126-RED SATIN/L.SIA. Color - Red Satin/L.Siam Strass. Rene Caovilla Cleo Crystal-Embellished Sandals. The Cleo sandal, featuring satin, hand-applied rhinestones, serpent hardware, a 4 cm block heel, a round toe, and a stardust sole. Made in Italy. Please visit the brand website for sizing information.