The Under Armour Women's ColdGear Reactor Vest is perfect for those chilly outdoor workouts. This sleeveless vest is made with a windproof and water-resistant fabric, keeping you protected from the elements. The ColdGear Reactor technology adapts to your activity level, providing the right amount of warmth and breathability. The high-visibility color ensures that you are easily seen, even in low-light conditions. With its lightweight and packable design, this vest is easy to carry and store. Stay warm and comfortable during your workouts with the Under Armour Women's ColdGear Reactor Vest.