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.
The Under Armour Packaged Base 2. 0 Crew Shirt is designed to keep kids warm and comfortable through all their outdoor adventures. Its midweight thermal fabric traps heat without feeling bulky, making it the perfect base layer for chilly days. The moisture-wicking...
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...