Birkenstock's classic Arizona style two band sandals come with a Birko-Flor top in silver with tonal buckles. Birko-Flor is a durable synthetic upper material with a leather-like finish and soft backing. Signature contoured cork footbed is lined in suede for comfort. This is a narrow fit footbed, though the top straps are adjustable through the buckle. Lightweight EVA sole for cushioning. The shoes come in original Birkenstock shoe box.