UA Base 2.0 Active Baselayer is lightweight, flexible & breathable for high activity in cool conditions UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to...

UA Base 3.0 All Season Baselayer provides midweight warmth at many activity levels & cold temperatures UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to keep...

UA Base 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm...

Super-light HeatGear fabric delivers superior coverage without weighing you down Strategic mesh panels for added ventilation where you need it Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes...

UA Base 2.0 Active Baselayer is lightweight, flexible & breathable for high activity in cool conditions UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to...

UA Base 3.0 All Season Baselayer provides midweight warmth at many activity levels & cold temperatures UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to keep...

UA Base 4.0 Extreme Baselayer is our warmest yet, delivering extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm...