Stay warm and active 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 and breathability. The ColdGear Reactor insulation traps heat but also allows moisture to escape, keeping you comfortable during intense workouts. It features a full zip closure, two zippered hand pockets, and a high collar. Whether you're running, hiking, or doing outdoor sports, this vest is a reliable choice.