Men's UA Base 4.0 ¼ Zip

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 Armour Fleece® ¼ Zip

Under Armour Men's ColdGear Reactor Fleece ¼ Zip

Under Armour® Men's ColdGear® Base 4.0 1/4-Zip Long-Sleeve

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Under Armour UA Base™ 4.0 Crew SM Black : Clothing, Shoes & Jewelry

Men's Classic Thermal Merino Base Layer 1/4 Zip

UA ColdGear®: Stay Warm, Under Armour

Under Armour Men's Packaged Base 4.0 1/4 Zip Top

Under Armour ColdGear Base 4.0 Crew

Men's UA Velocity 2.0 ¼ Zip