Baselayer

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.

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 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.

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.

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.

Mother nature made cotton, UA made it better. These men's quickdry boxer shorts are built with Charged Cotton. They have the soft feel of natural cotton, but they dry much faster and stretch way more.

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 men's cold weather leggings are built for extreme cold weather and lower activity. Their unique pattern traps heat without adding bulk. Think long underwear, revamped for today's top athletes.

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.

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 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...

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.

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...

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.