Birkenstock Boston features an oiled nubuck upper and an anatomical cork-latex footbed for reliable comfort and everyday wear. Product image is indicative. Key attributes: Black | Oiled nubuck leather | Anatomical cork-latex footbed | Suede footbed lining | Adjustable single strap with metal pin buckle | EVA outsole | Closed-toe clog silhouette | Seam-free edge finish | Single-strap design | Composition & care: Upper: Oiled nubuck leather | Footbed: Cork and latex | Footbed lining: Suede | Outsole: EVA