Birkenstock Boston Narrow Fit combines a velvety suede upper with a sheepskin-lined footbed for warm, everyday comfort. Product image is indicative. Key attributes: Brown | Mocca | Suede leather | Breathable sheepskin lining | Thermoregulating lining | Lightweight EVA outsole | Cushioning cork-latex footbed | Adjustable buckle strap | Slip-on, closed-toe design | Anatomical cork-latex footbed | Rounded closed toe | Tone-on-tone sheepskin trim | Velvety suede texture | Copper-finish metal buckle | Dimensions & fit: Narrow Fit | True to size; choose your usual EU size. Lining may feel snug at first and will soften with wear. | Composition & care: Suede leather (upper) | Natural sheepskin (lining and footbed) | Cork and latex (footbed) | EVA (outsole) | Avoid immersion in water. Brush suede with a soft suede brush to remove dust; for small marks, brush dry to lift fibres. After use, let sheepskin dry naturally away from direct heat and brush gently to restore loft. Clean the EVA outsole with a damp sponge and mild soapy water.