Baselayer

HeatGear Armour is UA's original performance baselayer - the one you put on first and take off last. So they made it extra comfortable by wicking sweat and stretching so you can move no matter what.

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.

UA Base 4.0 is built for extreme cold weather and lower 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 took their sweat-wicking, keeps-you-cool technology and turned it into the best men's boxers in the game. It feels cool, stays put, and provides a zero-distraction fit that's snug, but not tight.

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.

HeatGear Armour is our original performance baselayer - the one you put on first and take off last. So UA made it extra comfortable by wicking sweat and stretching so you can move. No athlete can go without it.

Compression: Ultra-tight, second-skin fit.

Crew T-Shirt, Hthr Grey Baselayer S/S, 2XLR

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.

UA Base 4.0 is a men's baselayer built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.

Fitted: Next-to-skin without the squeeze. ColdGear Reactor is intelligent insulation that adapts to your activity level for the right breathability & warmth for what you're doing. 86% Polyester/14% Elastane. Imported.