Vionic Callisto Women's Ballet Flats Black/suede - 8 1/2 Leather, Embossed Leather, and Nubuck. PU Covered EVA. Durable Rubber Outsole. Heel Height 0.51 . Platform Height .10 YOUR NEW FAVORITE WOMEN'S FLAT: From its delicate ribbon detail to colorful embossed snake print or basic black leather options, this flat's a true ballet beauty. These flat shoes have a casual fashion air of elegance that makes them wearable in the office, school, or just about anywhere. Good condition