Stay warm and comfortable during your workouts with the Under Armour Women's ColdGear Reactor Vest. This activewear vest is designed to adapt to your body temperature, providing the right amount of warmth when you need it. It features ColdGear Reactor insulation, which intelligently adjusts to your activity level. The vest has a full zip closure and a stand-up collar for added protection against the elements. It also has zippered hand pockets for convenient storage. The Under Armour Women's ColdGear Reactor Vest is a versatile and functional choice for any active woman.