Birkenstock Madrid Big Buckle Narrow Fit is a classic one-strap slide that pairs a statement metal pin buckle with an anatomically contoured cork-latex footbed for reliable support. Product image is indicative. Key attributes: Brown | Cognac | Oiled nubuck leather | Anatomically shaped cork-latex footbed | Flexible EVA sole | Adjustable strap | One adjustable metal pin buckle | Single wide strap | Open-selvage finish | Large metal pin buckle | Smooth leather lining | Dimensions & fit: Narrow fit | Composition & care: Upper: oiled nubuck leather | Lining: leather | Insole: cork-latex | Outsole: EVA | Wipe clean with a damp cloth. Treat with appropriate leather care products for oiled nubuck as needed. Do not machine wash or soak.