The Under Armour Women's ColdGear Reactor Vest is a top-rated activewear vest designed to keep you warm and comfortable during outdoor activities. It features ColdGear Reactor technology, which adapts to your body temperature and provides the right amount of warmth. The vest is made from lightweight and breathable fabric, allowing for unrestricted movement. It has a full zip front, two zippered hand pockets, and a stand-up collar for added protection against the elements. The packable design makes it easy to carry and store, making it a great choice for travel or on-the-go. Whether you're hiking, skiing, or simply running errands, this vest is a must-have for any active woman.