Stay warm and stylish with the Under Armour Women's ColdGear Armour Mock Neck Long Sleeve Shirt. This neon base layer top is perfect for outdoor activities in cold weather. It features ColdGear technology that keeps you warm and comfortable without weighing you down. The mock neck design provides extra coverage and protection against the elements. The shirt is made of a soft and stretchy fabric that allows for a full range of motion. It also has moisture-wicking properties to keep you dry and sweat-free. Whether you're skiing, hiking, or running, this base layer top is a must-have for any active woman.