Under Armour Base 3.0 Crew Base Layer Top Men's

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 long underwear, revamped for today's top athletes.

• UA Base™ 3.0 All Season Baselayer is extremely versatile, providing midweight warmth & mobility to a variety of activity levels & cold temperatures
• 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