Birkenstock Arizona Birko-Flor Patent Sky Blue with blue sole. Size 40 (9 - 9.5 US). In original packaging. The BIRKENSTOCK Arizona is a genuine classic that has been delighting both men and women with its timeless design for decades. The color-coordinated details round off the shoe’s look of sophistication. The upper is made from the skin-friendly, hard-wearing synthetic material Birko-Flor® with a shiny patent coating. Anatomically shaped cork-latex footbed Upper: Birko-Flor® with patent coating Footbed lining: suede Sole: EVA Details: two straps, each with an individually adjustable metal pin buckle; color-coordinated details “Made in Germany”