Birkenstock Boston Narrow Fit — suede clogs lined with genuine lambswool for warmth and everyday comfort. Product image is indicative. Key attributes: Black | Cuir suédé noir | Suede leather | Temperature-regulating lambswool lining | Breathable lining | Lightweight, cushioning EVA sole | Supportive cork-latex footbed | Adjustable strap with metal pin buckle | Anatomical cork-latex footbed | Closed front with open heel | Closed-toe clog silhouette | Rounded ergonomic toe | Visible lambswool trim at opening | Ton-on-ton black finish | Dark metal buckle | Dimensions & fit: Narrow Fit | Size advice: True to size; choose your usual EU size. Lining may feel snug at first and relaxes with wear. | Composition & care: Upper: suede leather | Lining and footbed cover: natural lambswool | Footbed: cork and latex | Outsole: EVA | Avoid immersion in water. Brush suede with a soft suede brush to remove dust and restore nap. Let lambswool lining dry naturally away from direct heat and brush gently to preserve loft. Clean the EVA outsole with a damp sponge and mild soap.