Birkenstock Boston Narrow Fit clog pairs the brand's contoured cork-latex footbed with an adjustable metal buckle for reliable all-day support. Product image is indicative Key attributes: Black | Oiled nubuck leather | Anatomically shaped cork-latex footbed | EVA sole | Adjustable metal pin buckle | Slip-on design | Closed-toe clog silhouette | Single adjustable strap | Open-selvage finish | Dimensions & fit: Narrow fit | Composition & care: Upper: Oiled nubuck leather | Footbed lining: Suede | Footbed: Cork-latex | Sole: EVA