These Birkenstock Arizona Birko-Flor Sandals are anything but boring. Durable synthetic Birko-Flor upper allows for printed designs, subtle shine, and vibrant colors on the usually earth tone Birkenstock Arizona silhouette. Classic components remain the same like the individually adjustable buckle straps, contoured cork footbed with arch support, a deep heel cup, roomy toe box, and an EVA outsole. Made in Germany, these classic Birkenstock slide sandals are the perfect warm-weather go-to. Birko-Flor synthetic upper Individually adjustable buckle straps Contoured cork footbed Suede sockliner Arch support Deep heel cup Roomy toe box EVA outsole Made in Germany.