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.

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 HG Armour Comp LS - Color: Marine OD Green / White - Size: SM

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.

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.

Crew T-Shirt, Blk Baselayer S/S, MR

Cold weather will not ruin the day while wearing the Dual Action Thermal Top from Voodoo Tactical. Designed to keep the user warm and comfortable during physical activity, the shirt is the ideal cold weather top for any tactical professional or outdoor...

Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior

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.

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.

Experience the epitome of comfort and performance with the revolutionary Merino Base Layer Hoody by Vertx. The cutting-edge fabric blend combines the finest Merino wool with durable nylon and groundbreaking GM ReRapt technology, all enhanced by the...

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 HG Armour Comp SS - Color: Marine OD Green / White - Size: LG

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 HG Armour Comp LS - Color: High-Vis Yellow / Black - Size: SM

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.