MEN'S UNDER ARMOUR Men's Under Armour HeatGear™ is engineered with a microfiber blend fabric featuring the signature Moisture Transport System and reliable Compression.  It's designed to fit tight to your skin under your outerwear. IDEAL USE: Extremely Warm Temperatures. Men's Under Armour ColdGear™ is Under Armour's most technical line featuring a double sided fabric that wicks moisture from the skin and circulates body heat. Men's Under Armour ColdGear™ provides warmth without weight for long days in the field. IDEAL USE: Temperatures under 55 degrees.

ColdGear

HeatGear