Birkenstock Unisex Arizona Sandal,Buffalo Black Birko-Flor,42 M EU,Birkenstock" /> Classic Birkenstock contoured cork footbed design provides moderate arch support and encourages feet into a natural walking position. Outsole flexes with your foot and provides durable, lightweight shock absorption. Upper is made from Birko-flor, a high-grade synthetic material that wears as well as leather. Leather-like upper, suede sockliner, polyurethane insole, cork and latex midsole, EVA outsole. Made in Germany. Care: Lightly brush with a soft to medium brush.