Birkenstock Women's GIzeh Thong Sandal, Cortina green chain, 39 N EU/8-8.5 2A(N) US 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