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
Junior Boys' [8-16] ColdGear® Armour Legging, Under Armour
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UA Base is a system of baselayers, numbered from 2.0 to 4.0, that takes you from cold to absolutely freezing temps. It's constructed using a special
Under Armour Women's Base Legging 2.0 - Black
Under Armour Womens Base 4.0 1/2 Zip T-Shirt : : Clothing, Shoes & Accessories
Snatch Up Under Armour Faves (ColdGear!) While You Can - The Mom Edit
CCM Boys' Hockey Compression Jock Pants, Junior, Assorted Sizes
Men's Mountain Trekking Merino Wool Base Layer Tights / Leggings - MT500 FORCLAZ
Under Armour – The Ski Chalet
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 Crew