Women's UA Packaged Base 4.0 Crew
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Women's UA Packaged Base 4.0 Crew

by Under Armour
$74.28 $100.00
Last Updated: Sunday, April 26th, 2026
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Buying Options
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 long underwear, revamped for today&';s top athletes.

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