DESCENTE HEAT NAVI Neck Warmer This product uses DESCENTE's independently developed [HEAT NAVI] material for the inner lining. It absorbs all wavelengths of solar energy and converts it into heat, providing excellent heat retention. The long length covers the nose on cold days. It protects the neck from the cold of snow and rain. Functions: Durable water repellency, windproof, heat retention, HEAT NAVI Thank you for viewing.