UA HEATGEar®

keep cool, light & dry in any heat

HeatGear® Armour is our original performance baselayer
—the one you put on first and take off last.

LOCKED-IN FIT

Hugs your muscles to help you work harder. Designed to keep you cool and dry.

COMFORTABLE FEEL

The OG of wicking sweat and drying fast. Breathable fabric to improve air flow.

LETS YOU MOVE

Four-way stretch to keep you comfortable. Incredible lightweight materials.

UA HEATGEar®

We call it
HeatGear® OG.

Under Armour was founded on building a better t-shirt: a
light, tight layer you could wear under your uniform to wick
sweat, dry quick, and sit snug against your body—and it’s
changed the way athletes dress for over 25 years.

UA HeatGear® Collection