The BIRKENSTOCK Madrid Big Buckle combines the iconic single-strap Madrid silhouette with an oversized metal pin buckle. Style features an oiled leather upper in Tabacco Brown, with the natural leather finish designed to develop a distinctive patina over time.The sandal features an anatomically shaped cork-latex footbed with a semi-exquisite construction and a smooth leather footbed lining. A flexible EVA outsole provides lightweight cushioning, while the adjustable strap allows for an individual fit. Made in Germany.? Oiled leather upper with natural finish? Anatomically shaped cork-latex footbed; semi-exquisite? Smooth natural leather footbed lining? Flexible EVA outsole? Adjustable single strap with oversized metal pin buckle? Color: Tabacco Brown? Regular width? Made in Germany