UA Base 3.0 is built for very cold weather and moderate activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think
Men's UA Base 3.0 Crew
Under Armour Men's Packaged Base 3.0 Crewneck Baselayer
Under Armour Men's Packaged Base 3.0 Long Sleeve Crew Neck
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UA Base 3.0 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 3.0 Leggings
Under Armour Men's UA Base 3.0 Crew Black
Under Armour UA Base 3.0 Crew - Men's
Under Armour 1343243001sm ColdGear Base 3.0 Crew Long
Under Armour UA Base 3.0 Crew - Men's
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1239727 Men's Black Base 3.0 Crew Long Sleeve Shirt - Size X-Large
UNDER ARMOUR MEN'S UA BASE™ 3.0 CREW LARGE BLACK - GTIN/EAN/UPC
UA Base is a system of baselayers, numbered from 2.0 – 4.0, that takes you from cold to absolutely freezing temps. It uses a special negative grid
Under Armour Men's Packaged Base 3.0 Crew - Black
Under Armour Men's ColdGear® Base 3.0 Crew SM Black