Under Armour Men's ColdGear Base 4.0 Crew (Black)

UA Base 4.0 Extreme Baselayer is our warmest yet, locking in your body's heat to deliver extreme warmth in the extreme cold. UA Scent Control Technology to keep you undetected in all pursuits. Soft, brushed grid interior traps air against your skin, closely managing your body's microclimate to keep you warm & comfortable. Material wicks sweat & dries really fast. 4-way stretch construction moves better in every direction.

UA Base 4.0 is a men's baselayer built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without

UA Men's ColdGear Base 4.0 Crew

Under Armour ColdGear Crewneck Shirt (Black)

Under Armour Men's ColdGear Base 4.0 Leggings What's it do? UA Base 4.0 men's cold weather leggings are built for extreme cold weather and lower activity. Their unique pattern traps heat without adding bulk. Think long underwear, revamped for today's top athletes.

Under Armour Base Legging 4.0

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Under Armour ColdGear Base 4.0 Long-Sleeve Crew Top for Men

Mens Under Armour Coldgear Base 4.0 Fitted Long Sleeve Black XL

Mens Under Armour Coldgear Base 4.0 Fitted Long Sleeve Black XL

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Under Armour Men's ColdGear® Base 4.0 Crew – Rumors Skate and Snow

Under Armour Men's ColdGear Base 4.0 Crew Extreme Baselayer - The

Under Armour ColdGear Crewneck Shirt (Black)

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 structure to trap heat without adding bulk. Think long underwear reengineered for athletes performing at their peak. UA Base 4.0 is built for extreme cold weather and lower activity levels.

Under Armour Base 4.0 1/4 Zip