Birkenstock Unisex Arizona Birkibuc SandalSize Chart The BIRKENSTOCK Arizona is a genuine classic and a part of our Birkenstock Core Collection. The legendary two strap design. Iconic style complemented with the signature comfort of the BIRKENSTOCK footbed. The upper is made from the skin friendly, hard wearing synthetic material Birko Flor Made in Germany Birkibuc a durable, synthetic upper material with a nubuck leather like texture and a soft backing Contoured cork footbed conforms to the