Slip into these unisex Birkenstock Honolulu black thong embossed sandals for lasting comfort and loads of style. These sport sandals feature a lightweight, flexible and washable one piece EVA upper, lining and sole, and has an anatomically molded EVA footbed like the cork sandals, with a geometric tread outsole. Birkenstock Women's Unisex Honolulu EVA Flip Flop Sandal in Black Size EU 36/US Womens 5-5. 5 Medium