Birkenstock Madrid Big Buckle Narrow Fit features a single adjustable strap with a prominent gold-toned buckle and a contoured cork-latex footbed for lasting comfort. Product image is indicative. Key attributes: Black | Nubuck leather | Contoured cork-latex footbed | Breathable suede lining | Lightweight EVA outsole | Adjustable single strap with large metal buckle | Embossed logo on buckle | Slip-on design | Large gold-toned buckle | Single-strap silhouette | Natural rustic nubuck appearance | Dimensions & fit: Narrow Fit | Composition & care: Nubuck leather (upper) | Suede (footbed lining) | Cork-latex footbed | EVA sole