Under Armour Men's Scent Control ColdGear Infrared Balaclava Balaclava offers full facial protection in extreme cold. Moisture Transport System wicks sweat away from the body. Also can be worn as a neck gaiter for greater ventilation. 4-way stretch fabrication allows greater mobility & maintains shape. Exclusive UA Scent Control technology lasts longer & works better, keeping you undetected. ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. Anti-odor technology prevents the growth of odor causing microbes. Polyester/Elastane.