ColdAvenger Snow Hunter Balaclava, White The original high-performance cold weather mask designed to protect against the damaging effects of cold air Patented two-in-one balaclava design allows for a comfortable and user-friendly fit while providing protection in the harshest winter environments The ColdAvenger ventilator is made of a soft medical grade, non-toxic polyurethane that is comfortable and inherently antimicrobial Patented ventilator design allows you to breathe freely and keeps your airways protected with warm and humidified air Hidden nose-wire and a generous hook and loop closure allows for a custom fit