Birkenstock Madrid Big Buckle Narrow Fit pairs an oiled nubuck single strap with an oversized metal buckle for a minimalist, refined look and structured everyday support. Product image is indicative. Key attributes: Black | Nero | Oiled nubuck leather | Lightweight EVA outsole | Flexible construction | Anatomical support | Adjustable oversized metal buckle | Anatomical cork-latex footbed | Leather lining and leather insole | Slip-on single-strap design | Wide single strap with open stitching | Oversized silver buckle | Textured oiled nubuck finish | Made in Germany | Dimensions & fit: Narrow fit | Composition & care: Upper: Oiled nubuck leather | Lining: Leather | Insole: Leather | Footbed: Cork and latex | Outsole: EVA