The Vasque® Men's Coldspark UltraDry™ Winter Boots offer high-performance that keeps feet warm without the bulk. These winter boots are engineered for hiking and other active cold-weather pursuits. The Coldspark UltraDry™ winter boots feature a unique heat reflective and breathable lining and an UltraDry® waterproof membrane that keeps feet comfortable while on the move during the winter. They have a multi-directional outsole lug pattern that maximizes traction in icy and wet conditions. The Vasque® Men's Coldspark UltraDry™ Winter Boots provide waterproof comfort and aggressive traction.