Pro Series balaclava is made of polypropylene, which retains a high amount of warmth Worn comfortably in fall, winter and spring Seamless mesh breather for easy breathing, and to aid in reducing fogged of glasses and goggles Easily worn under a helmet Flat seamed for increased comfort and less irritation Can be worn under or over the nose Mesh mouth panel. BALACLAVA PRO SERIES BLK