ColdAvenger FRC Flame Resistant Balaclava, Navy The original high-performance cold weather mask designed to protect against the damaging effects of cold air Dual Hazard, HRC2, Flame and Arc Resistant Patented two-in-one balaclava design allows for a comfortable and user-friendly fit while providing protection in the harshest winter environments Patented ventilator design allows you to breathe freely and keeps your airways protected with warm and humidified air Hardhat tabs, hidden nose-wire and a generous hook and loop closure allows for a custom fit