The original birkenstock sandal. A strap, a buckle, and a contoured cork footbed are masterfully combined to create the madrid. The upper is made from the skin-friendly, hard-wearing synthetic material birko-flor. Anatomically shaped cork-latex footbed upper: birko-flor footbed lining: suede sole: eva details: one strap with an individually adjustable metal pin buckle. Colour: metallic