No one should have to deal with that stiff, distracted feeling you get when you're out in the cold. The Under Armour Tactical ColdGear INFRARED Base-Layer Crew Top for Men puts an end to this age-old nuisance and replaces it with a reliable foundation of warmth and comfort. This Under Armour base-layer top provides that toasty, steadying warmth without excess bulk or a ride-up fit, so stay focused all-season long. Exclusive ColdGear INFRARED thermoconductive coating traps and recirculates your natural body heat. Dual-layer fabric combines a brushed interior and smooth, fast-drying exterior. 4-way-stretch fabrication lets this Under Armour base layer move with you for outstanding range of motion. 87% polyester/13% elastane. Machine wash. Imported.Manufacturer style #: 1365389. 87% polyester/13% elastane ColdGear INFRARED thermoconductive coating Dual-layer fabric: brushed interior and smooth, fast-drying exterior 4-way-stretch fabrication No-bulk, no-ride-up fit