Birkenstock Boston Narrow Fit pairs an oiled-leather upper that develops a unique patina with the brand's anatomical cork‑latex footbed for lasting comfort. Product image is indicative. Key attributes: Green | Thyme | Leather | Anatomical cork-latex footbed for support | Sueded insole for comfort | Lightweight EVA outsole | Adjustable strap with metal pin buckle | Suede-lined footbed | Closed-toe, slip-on design | Closed toe with open heel | Oiled leather finish with natural color variations and developing patina | Classic Boston clog silhouette | Silver-tone metal pin buckle | Dimensions & fit: Narrow Fit | Fits true to EU size; choose your usual EU size. | Composition & care: Upper: Oiled leather | Insole: Suede leather | Footbed: Cork and latex | Outsole: EVA | Remove dust with a soft dry cloth or soft brush. Use a product specifically formulated for oiled or waxed leather to nourish and revive the finish; always test on a small hidden area first. Avoid soaking the leather and let shoes dry naturally at room temperature away from direct heat. Clean the EVA outsole with a damp sponge and mild soapy water.