New Birkenstock Madrid Big Buckle Nubuck Leather size Eu 38. The BIRKENSTOCK Madrid is a veritable classic that delights the world of fashion with its minimalist design. The Big Buckle version features a large, elegant pin buckle – a fantastic, striking eye-catcher on this otherwise understated sandal. The upper is made from high-quality nubuck leather that boasts a natural, rustic appearance. Anatomically shaped cork-latex footbed Upper: nubuck leather Footbed lining: suede Sole: EVA Details: one strap with an individually adjustable metal pin buckle “Made in Germany” Brand new items 100% Authentic Line through Name tags (Inside tag) only done to prevent store return SA-9