Under Armour Base 4.0 Crew
Product DescriptionFor even colder conditions, the Under Armour Base™ 4.0 is highly versatile heavyweight crew featuring ColdGear™ technology to keep you warmer in harsher environments.

Features

Next-to-skin, Athletic Fit

Soft, brushed negative grid interior traps hot air, providing superior warmth

4-way stretch fabrication allows greater mobility in any direction

Moisture Transport System wicks sweat away from the body

Anti-Odor technology prevents the growth of odor causing microbes