Under Armour- Men's Base 2.0 Active Baselayer Top

Warmth without the bulk, it’s that simple. Our smooth, sweat-wicking, stretchy, all-purpose baselayer is down for whatever. Hiking, skiing, sports—you’ve got it. This sleek crew is ready to deliver a toasty feel and comfortable fit no matter the weather.

ICYMI, baselayer is kinda our thing. It’s the go-to you put on under your uniform, under your gear, under your whatever, that makes you feel invincible. The superhero effect we like to call it. UA Base was born out of that idea—make it smooth and sleek so it layers easily, make sure it keeps you warm, light, and ready, and suddenly you have a must-wear crew you couldn’t imagine hitting the field, trail, whatever without.

• UA Base™ 2.0 Active Baselayer is lightweight, flexible & breathable for high activity in cool conditions
• Material wicks sweat & dries really fast
• 4-way stretch material moves better in every direction
• Updated fabric with improved stretch is softer & smoother for maximum comfort and easier layering
• Shaped hem
• Raglan sleeves
• 91% Polyester/9% Elastane

Warmth Without The Bulk

A close fit helps trap heat, while a smooth, lightweight material makes it easy to layer without sacrificing mobility.

Wicks Sweat, Dries Fast

Sportswear 101: get that moisture management in check. ‘Cause no one wants sweat weighing them down out there.

4-Way Stretch

Multi-directional weave fits like a second skin and flexes to move how you move. All with elite recovery and snap back, mind you.