Style # 1220575

Unbelievably warm baselayer leggings built to take on unthinkable cold.

WHAT'S IT DO? The Men’s UA Base™ 4.0 Leggings were built to battle nature’s coldest and most brutal conditions. Their patented mega-grid fleece fabric traps heat to keep you ridiculously warm without feeling weighed down. These leggings wick away excess moisture in their unique grid channels—keeping you dry and comfortable no matter how hard you work. You can also move with unrestricted ease thanks to UA's super-stretchy fabrication. Facing insane temperatures? Get the performance leggings that make more sense—and deliver more warmth—than anything else out there.

  • UA Base&trade: 4.0 delivers heat like no other, keeping you warm even in the brutal cold
  • Signature grid channels trap heat while providing extreme moisture transport—keeping you dry and light in the coldest conditions
  • 4-way stretch construction improves range of motion and dries faster

Features

ANTI-PICK/ANTI-PILL

Durable anti-pick/anti-pill finish helps prevent pulls and snags for a cleaner, smoother appearance no matter how hard you work.

ARMOURBLOCK®

ArmourBlock® stops odor-causing microbes from spreading for maximum scent suppression.

FUNCTIONING FLY

Working fly is built in for the ultimate convenience.

UA BASE™

Not your ordinary long underwear, our UA Base™ collections feature a brushed thermal grid pattern that traps heat so you can battle even the most brutal cold.

Technology

ColdGear®

HOW DOES IT WORK?

Even in the bitter cold, our gear works overtime to regulate your core temperature—keeping you outside longer. Sound crazy? Click the video to see how it works.

View our temperature guide
THIS GEAR'S FIT IS:

Fitted

HOW DOES IT FIT?

Sits close to the skin for a streamlined fit without the squeeze of compression. Check out the video breakdown now.

Check Out Our Other Fits

Fit Guide
 
THIS GEAR’S BUILT FOR:

MTN

Men's Under Armour MTN Gear