Birkenstock Boston Narrow Fit pairs Birkenstock's anatomical cork-and-latex footbed with a closed-toe mule silhouette for supportive all-day wear. Product image is indicative Key attributes: Brown | Dark tea | Suede leather | Cushioning lightweight EVA outsole | Supportive anatomical footbed | Adjustable strap with buckle | Anatomical cork-latex footbed | Closed rounded toe | Velvet nap suede upper | Metal buckle with aged silver finish | Dimensions & fit: Narrow fit | Composition & care: Upper: suede leather | Insole: velour leather | Footbed: cork and latex | Outsole: EVA | Avoid immersion in water. Regularly brush suede with a soft suede brush to remove dust. For small marks, brush gently while dry to lift the nap. Refresh the insole by sprinkling baking soda, leave for a few hours, then brush off. Clean the EVA outsole with a slightly damp sponge and mild soapy water.