BIRKENSTOCK. 1018 861. ARIZONA BIG BUCKLE NUBUCK LEATHER. ALMOND. The BIRKENSTOCK Arizona is a genuine classic that has been delighting both men and women with its timeless design for decades. The Big Buckle version features a large printed pin buckle -- a fantastic striking eye-catcher. The color-coordinated footbed rounds off the shoe s look of sophistication. The upper is made from high-quality soft nubuck leather that boasts a natural rustic appearance.