Say Hello to the new Birkenstock Gizeh Big Buckle. Combining fashion with the utmost comfort to keep you looking good and feeling good all day long. It has an adjustable strap to keep this thong style secure on your feet. Birkenstock uses cork footbeds to offer optimal support while molding to your feet creating a custom fit. This style is made of a washed metallic leather with Cork and Latex footbed.