BIRKENSTOCK MAYARI BIRKO - SANDCASTLEThe Mayari is our criss cross sandal which forms a single loop around the toe. The anatomically formed cork latex footbed offers comfort for all day wear, while the criss cross design provides extra support for the toes. The upper is made from the skin friendly, hard wearing synthetic material Birko Flor. Anatomically shaped cork latex footbed Upper: Birko Flor. Durable, synthetic upper material with a leather like finish and soft backing Details: