The Under Armour Girls Coldgear Long Sleeve Mock is designed just for Girls' that want to get outside. From the playing field to the mountain, Under Armour Coldgear is for when it's cold. Keeping athletes warm, dry, and light. This Mock features a double-sided fabric that wicks moisture from the skin and circulates body heat. It accomplishes the impossible by keeping athletes warm without weighing them down. ColdGear® delivers moisture transport and core temperature regulation, in UA's signature compression fits snugly to the body providing a close, lean, and supportive fit for maximum performance. Long sleeve and mock neck for added coverage and protection. Ideal for temperatures under 55 degrees F.