Baselayer Tops

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.

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.

HeatGear is our original performance baselayer—the one you put on first and take off last. So we made it extra comfortable by wicking sweat and stretching so you can move no matter what.

UA HG Armour Comp LS - Color: - Size: XL

The FlexTech Base Layer fabric features an intimate blend of cotton and spandex for quick drying comfort with Nano Moisture Wicking and antimicrobial technologies to inhibit the growth of odor-causing bacteria. The soft hand and 4-way stretch provide...

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.

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.

This is a 92% cotton and 8% Lycra mock Dickey shirt with long sleeves for use in cool weather. The shirt comes with comfortable material for long days of work. The shirt has interlined cuffs and collars so it can be worn for hours without feeling...

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 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.

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.

The FlexTech Base Layer fabric features an intimate blend of cotton and spandex for quick drying comfort with Nano Moisture Wicking and antimicrobial technologies to inhibit the growth of odor-causing bacteria. The soft hand and 4-way stretch provide...

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.

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.

Worn under a vest carrier, the UV2 provides a clean and professional appearance. Expanding on our successful UV1 series, the UV2 FlexTech offers warmth without bulk when worn under vest carriers. The UV2 FlexTech provides exceptional comfort, mobility,...