Under Armour 2015 Coldgear Infrared Longsleeve Top Mens Golf Polo Shirt ColdGear Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. Smooth anti-pick, anti-pill fabric has a cleaner, snag-free finish. 4-Way Stretch fabrication allows greater mobility in any direction. Moisture Transport System wicks sweat away from the body. Updated performance fit. 5.6 oz. Polyester/Elastane. Imported. Anti-Odor technology prevents the growth of odor causing microbes. Durable ribbed collar. Loose: Full, loose fit for enhanced range of motion & breathable comfort no matter where your workout takes you.