The Dublin Eskimo Boots II are breathable for all day comfort with a waterproof booty lining to keep your feet dry, with a synthetic fleece lining for additional warmth and comfort, perfect to keep you cosy this winter! Moisture-wicking RCS footbed system for comfort and breathability. Heel, arch support and double cushioning layer offer great comfort all day long. Breathable nylon foot lining. Durable and lightweight Tough Tec rubber outer sole and adjustable top lace for the perfect fit.