Birkenstock Boston leather slippers combine an anatomical cork and latex footbed with a soft suede upper for reliable all-day comfort. Product image is indicative. Key attributes: Gray | Grey | Suede | Anatomical support | Lightweight cushioning | Individually adjustable metal pin buckle strap | Anatomical cork and latex footbed | Suede upper | Suede insole | EVA sole | Mule silhouette | Composition & care: Suede (upper) | Suede (insole) | Cork and latex (footbed) | EVA (sole) | Metal (buckle) | Leather