Birkenstock Women's GIzeh Thong Sandal, Bordeaux, 41 M EU/10-10.5 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