Birkenstock Size 7-7.5 Gizeh Solid Black EVA Lightweight Comfort Open Slides Very good preowned condition. Light minimal wear Modelled on the cork sandal; the Gizeh EVA from Birkenstock is made from ultra-light and highly flexible EVA. The high-quality; odour-neutral EVA has been tested for harmful substances and combines numerous positive attributes. It's waterproof; ultra-lightweight; washable and extremely easy to care for. What's not to like? Anatomically shaped BIRKENSTOCK footbed in EVA Upper/lining/sole: one-piece EVA