Under Armour Men's ColdGear® Base 4.0 Crew Infant comfortable regular fit

comfortable regular fit

Raglan sleeves

Stretch back neck tape for reinforcement

zippered microfleece hand-warmer pockets

Lightweight shorts for singletrack adventures

Under Armour Men's ColdGear® Base 4.0 Crew Infant comfortable regular fitUA 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 adding bulk. Think long underwear, revamped for today's top athletes. 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