Baselayers

UA Base 3.0 is built for very cold weather and moderate activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.

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.

Create a virtually impenetrable barrier between you and the coldest weather or the most wicked winds. The Range Ready Tight is constructed with an intelligent fabric blend of no-itch, super-soft, odor-resistant Merino wool, ultra-tough nylon and flexible...

We all hate it. That stiff, distracted feeling you get when you're out in the cold. That's why UA built a baselayer that keeps you warm and dry without being bulky or riding up, so you can stay focused all season long.

ColdGear Infrared technology holds in body heat, without adding weight or bulk. It's a special, soft print on the inside and it keeps you warmer, longer, so you can work out in the bitter cold.

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.