Stay warm and comfortable during your workouts with the Under Armour Women's ColdGear Reactor Vest. This sleeveless vest is made from lightweight and breathable fabric that wicks away sweat to keep you dry. The ColdGear Reactor technology adapts to your activity level, providing the right amount of warmth when you need it. It features a full zip closure and a stand-up collar for added protection against the cold. The vest also has zippered hand pockets and a media pocket, allowing you to carry your essentials with ease. Whether you're hitting the gym or going for a run, this vest is a great choice.