Under Armour® Women's Base 4.0 Extreme Base-Layer Leggings

8 Best Base Layers of 2024 (Tested and Reviewed)

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

Men's UA Base 4.0 ¼ Zip

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

Under Armour® Men's Charged Cotton® 6 Boxerjock® – 3-Pack

Under Armour Base 4.0 Legging - Women's - Clothing

The Best Ski Gear of 2024, Tested and Reviewed

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

Women's UA Base 4.0 Leggings

Best Deals for Under Armour Scent Control Pants

Under Armour® Men's ColdGear® Base 3.0 Series Packaged Long-Sleeve

The Best Base Layers, 2018: Merino Wool, Under Armour, More