Sportsrain Men's Infrared Tactical Hood, Balaclavas Headwear for Men, 2 Pack Uses a soft, thermo-conductive inner coating to absorb and retain your own body heat Form-fitting balaclava offers full facial protection in extreme cold Also can be worn with the chin dropped or as a neck gaiter for greater ventilation Fabric delivers ridiculous warmth and superior comfort 4-way stretch fabrication allows greater mobility and maintains shape