Incredibly stylish and comfortable, the Arizona Big Buckle Birko-Flor sandals from Birkenstock will make you stay on the move all day long. Encouraging foot health and maintaining a natural posture while walking, the Arizona open-back sandals are light and summery companion that offers outstanding comfort. Durable Birko-Flor synthetic upper with a leather-like finish. Soft leather lining on the underside of the upper. Contoured cork footbed to conform to the shape of your foot. Two adjustable straps with metal buckles for a flexible fit. Flexible, lightweight and shock-absorbing EVA sole with bone pattern.