Stay warm in the harshest conditions with the Under Armour Women's Base 4.0 Crew Shirt. Designed for extreme cold weather and low activity levels, this baselayer traps heat without adding bulk. Its soft, brushed grid interior locks in warmth while wicking away sweat to keep you dry and comfortable all day. Featuring UA Scent Control Technology, it keeps you undetected during hunts or tactical operations. With 4-way stretch material and a fitted design, it delivers superior mobility and a streamlined fit for peak performance in freezing temperatures.