Arizona BS Unisex Two Strap Sandals From BIRKENSTOCK in Black. The BIRKENSTOCK Arizona is a genuine classic. This individually adjustable unisex two- strap sandal is in a casual version in oiled nubuck leather. The soft leather features an open selvage finish, emphasizing the handcrafted and natural look of these stylish sandals. New without box with tag Size: Available in 8(Narrow fit) and 11(Regular fit) - US Women Equivalent to Men's size 6 & 9. Color: Black