Vionic size 9 black leather thong sandals with silvertone rounded triangles in descending size on top strap Preowned - very good condition About this product The Miami t-strap shines with lustrous gold or silver detail across the vamp. Effortlessly wearable and endlessly comfortable, the Miami delivers style all season long. Uppers: leather or natural cork. Footbed: microfiber-covered EVA midsole absorbs shock, reducing stress on feet, ankles and knees. Durable rubber outsole with a patterned tread provides traction on a variety of surfaces. Vionic orthotic technology is biomechanically designed to hug your arches and support your feet in comfort.