Vionic Black Leather Upper Silvertone Accent Ankle Strap Thong Sandals Size 7 Vionic sandals in good used condition. Black leather upper and black soles, four silver accents on top, thong style with buckle ankle straps, size 7 Podiatrist designed with great arch support, Cute, classic, comfortable and versatile casual sandals nice for casual office, parties or weekend wear!