Under Armour ColdGear Base 4.0 Leggings

UA Base 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold, UA Scent Control Technology to keep you undetected

Women's UA Base 4.0 ½ Zip

Under Armour® Men's ColdGear® Base 4.0 Series Packaged Leggings

Men's UA Base 4.0 Crew

Under Armour Men's ColdGear® Base 4.0 Leggings SM Black : Clothing, Shoes & Jewelry

Under Armour Men's Expedition Weight Baselayer 4.0 Leggings

Under Armour Womens ColdGear Base 4.0 Leggings

Under Armour Men's ColdGear® Base 4.0 Leggings SM Black : Clothing, Shoes & Jewelry

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.

Men's UA Base 4.0 Leggings

What's it do? UA Base 4.0 is a men's baselayer built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap

Under Armour ColdGear Base 4.0 Crew Black 2023

Women's UA Base 2.0 Leggings