The Arizona has a dark brown Birko-Flor upper adding to the legendary Arizona family, for many the epitome of the Birkenstock sandal and has been one of the most popular models, delighting wearers worldwide for decades. An icon of timeless design and legendary comfort, the Arizona sandal has been defining style since 1973. The synthetic upper is made from the skin-friendly, durable Birko-Flor material. Complete with classic Birkenstock design elements, like a contoured cork-latex footbed, for the ultimate in support.