The Birkenstock Women's Arizona Birko-Flor Sandal is a genuine classic that has been delighting both men and women for decades. This simple sandal with two straps stands for timeless design and has long held cult status thanks to its comfort factor. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor. With an anatomically shaped cork-latex footbed, and two straps, each with an individually adjustable metal pin buckle.