Birkenstock Boston Big Buckle Shearling pairs an oiled leather upper with a genuine shearling lining for warm, supportive wear. Product image is indicative. Key attributes: Beige | Tabacco brown | Oiled leather | Temperature-regulating shearling lining | Contoured cork-latex footbed for support | Flexible EVA sole | Adjustable strap with oversized metal pin buckle | Slip-on closed clog design | Closed clog silhouette | Large statement buckle | Rounded toe | Dimensions & fit: Available in Regular and Narrow widths | Composition & care: Upper: Oiled leather | Lining and insole: Shearling (lambskin) | Footbed: Cork-latex | Sole: EVA