Sleek black Birkenstock slides. Features a metallic buckle. Ideal for everyday comfort. Madrid Big Buckle An icon since 1963, the Madrid redefined sandals with its contoured footbed and a single, sophisticated strap. A gleaming big buckle makes a statement on oiled leather, designed to age beautifully with wear for a unique, well-traveled patina. With an original contoured footbed for support, it'll feel uniquely yours wherever you take it. Contoured cork-latex footbed creates custom support with wear Oiled leather upper gives each pair a unique finish Smooth leather footbed lining Flexible EVA sole Adjustable strap with oversized metal pin buckle Made in Germany