Birkenstock Boston Wire Buckle Narrow Fit combines the brand's signature contoured cork footbed with a closed-toe mule silhouette for supportive everyday wear. Product image is indicative. Key attributes: Black | Nubuck leather | Contoured cork-latex footbed for arch support | Shock-absorbing EVA outsole | Adjustable wire buckle strap | Easy slip-on mule design | Closed rounded toe | Single wide strap with visible buckle | Dimensions & fit: Narrow Fit | Composition & care: Upper: Nubuck leather | Lining: Suede | Footbed: Cork-latex with suede lining | Outsole: EVA | Buckle: Metal | Wipe clean with a damp cloth. Use a suitable leather care product for nubuck as needed. Do not machine wash or tumble dry.