Under Armour Men's Scent Control ColdGear Infrared Balaclava 100% Other Fibers Imported Also can be worn as a neck gaiter for greater ventilation 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 4-way stretch construction moves better in every direction