For maximum warmth in the coldest conditions, the Under Armour Girl's Base 3.0 Crew Long Sleeve Shirt is Built to keep your nice during low impact activities. Built with ArmourBlock technology that neutralizes the microbes that cause odor as well as ColdGear technology that wicks moisture from the skin and circulates body heat without weighing you down, this performance long sleeve will keep you New, dry and nice. Experience the abrasion free fit and unlimited mobility of the Under Armour Base 3.0 Crew Long Sleeve Shirt for Girl.