Birkenstock Boston Narrow Fit pairs the brand's iconic closed-toe clog silhouette with a lambswool lining for warm, everyday comfort. Product image is indicative. Key attributes: Green | Cuir Suédé Thyme | Suede leather | Temperature-regulating lining | Breathable lining | Lightweight, shock-absorbing outsole | Adjustable buckle strap | Fur-lined insole | Anatomical cork-latex footbed | Closed-toe clog silhouette | Rounded toe | Velvety suede upper | Visible lambswool trim | Dimensions & fit: Narrow Fit | Fits true to size; choose your usual EU size if toes do not touch the front | Lambswool lining may feel snug at first and will soften with wear | Composition & care: Upper: suede leather | Lining and footbed cover: natural lambswool | Footbed core: cork and latex | Outsole: EVA | Avoid immersion in water. Brush suede regularly with a soft suede brush; for small marks, brush dry to restore nap. Let the lambswool lining air dry away from direct heat and brush gently with a soft brush if needed. Clean the EVA outsole with a damp sponge and mild soapy water.