The Birkenstock Women's Arizona Birko-Flor® Sandals are made from the skin-friendly, hard-wearing synthetic material, Birko-Flor®. These simple sandal feature two straps for a timeless design that have long held cult status thanks to their comfort factor with color-coordinated tongue buckles that round off their look of sophistication. The Birkenstock Women's Arizona Birko-Flor® Sandals are a genuine classic