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 pair. The upper is made from high-quality nubuck leather that boasts a natural, rustic appearance. It has anatomically shaped cork-latex footbed, suede footbed lining, EVA sole and one strap with an individually adjustable metal pin buckle.