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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Paragon Plus LS Shirt
$43.43
Women’s ColdGear Base 4.0 Crew
$100.00
72 in stock
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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Online Only
$43.43
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$114.99
Online Only
$30.00
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