Birkenstock Women's GIzeh Thong Sandal, Cortina mocca chain, 37 M EU/6-6.5 B(M) US 100% Synthetic and leather Synthetic sole Heel measures approximately 3/4" Platform measures approximately 1/2" Thong sandal featuring rubber toe post with logoed medallion and adjustable vamp strap with buckle closure Contoured footbed with cork midsole