BIRKENSTOCK Sandals Gizeh Birkenstock Gizeh BS Men's Sandals Footbed Thong Black Black leather thong sandals with a back strap for a comfortable fit. - Color: Black - Style: Thong Sandals - Design: With back strap Purchased about 10 years ago, worn for one season, and then stored. I believe this model is probably discontinued now. The surface is covered with leather. The heel is partially peeling, but it does not affect use. Thank you for looking. 6