ColdAvenger Snow Hunter Facemask, White The original high-performance cold weather mask designed to protect against the damaging effects of cold air Tightly knit fleece insulates while remaining wind and water resistant, perfect for those who need protection in harsh 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