Birkenstock Boston BS mules pair a suede upper with an anatomically contoured footbed for reliable, all-day support. Product image is indicative. Key attributes: Charcoal | Suede | Cushioned soft footbed for comfort | Lightweight, flexible EVA outsole | Fine tread pattern for grip | Anatomically contoured footbed with stabilizing construction | Leather-lined interior | Adjustable strap with metal pin buckle | Gently rounded toe | Open-heel mule silhouette | Adjustable single buckle | Discreet embossed brand logo | Dimensions & fit: Sole height: 3.5 cm | Composition & care: Upper: Suede | Insole: Leather | Footbed: Cork | Outsole: EVA | Clean footbed with Birkenstock Cleaner & Refresher and wipe off excess moisture. Treat suede uppers with a water & stain repellent and brush with a suede brush as needed. Avoid heat and do not machine wash.