Birkenstock Arizona NU Desert Buck Roast Sandals. The Birkenstock Arizona model is a true classic that has been delighting both men and women with its timeless design for decades. The striking structured upper material achieves a very natural look in this version. The upper material is made of soft, high-quality nubuck leather, which impresses with its natural, rustic look. Two straps, each with an individually adjustable metal pin buckle "Made in Germany"