When the mercury drops but the mountains are still calling, we're dressing as warm as we can without sacrificing breathability and lightness for our adventures in the most frigid of conditions. Under Armour's Packaged Base 4. 0 1/4-Zip Top wicks sweat...
UA Base™ 2. 0 is built for cold weather and high activity levels. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.
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Under Armour ColdGear Base 3.0 Series Packagedeggings for Men are completely re-engineered, totally rebuilt, and still best in class. UA Base™ayers are designed to keep you warm, no matter how cold it gets—the higher t