Birkenstock Boston Wire Buckle Narrow Fit by Birkenstock is a leather slip-on mule with a supportive cork-latex footbed designed for all-day comfort. Product image is indicative. Key attributes: Black | Leather | Cork-latex footbed for support | Breathable leather insole | EVA sole for lightweight cushioning | Slip-on | Round toe | Wire buckle detail | Enclosed mule silhouette | Dimensions & fit: Narrow fit | Composition & care: Upper: 100% leather | Insole: 100% leather | Footbed: cork and latex | Sole: 100% EVA | Wipe clean with a damp cloth. For leather, use a leather cleaner/conditioner. Do not machine wash.