The Birkenstock Madrid Big Buckle updates the classic single-strap slide with a large metal pin buckle and a clean, minimalist silhouette. Product image is indicative. Key attributes: Brown | Tabacco | Oiled nubuck leather | Anatomical cork and latex footbed | Lightweight EVA outsole | Adjustable metal pin buckle strap | Smooth leather footbed lining | Easy on-and-off slide design | Single-strap slider | Oversized pin buckle (Big Buckle) | Open-stitch detailing | Color-coordinated footbed | Composition & care: Upper: oiled nubuck leather | Footbed lining: smooth leather | Footbed: cork and latex | Outsole: EVA