The Birkenstock Men's Boston Shearling Lined Shoe is so comfy and durable that it feels like you’re wearing slippers as you run your errands. A tough suede upper with soft shearling lining wicks away moisture and offers an effortless fit that holds in place with an adjustable buckle. A natural cork and latex footbed provides cushion and support, while the EVA sole absorbs shock so you stay comfy all day long.