The Birkenstock Gizeh women's sandal is a modern thong sandal made with Birkenstock's unique Birkoflor upper material. The casual sandal features an addictive classic design with signature support and a refined, minimalist style. Birkoflor is a durable, synthetic upper material with leather-like finish and soft backing. The contoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and roomy toe box. The lightweight EVA sole provides cushioning and shock absorption.