Stay warm and visible with the Under Armour Women's ColdGear Reactor Vest. This sleeveless activewear vest is designed to provide warmth and comfort in cold weather conditions. It features a high-visibility design, making it suitable for outdoor activities. The ColdGear Reactor technology adapts to your activity level, providing the right amount of warmth and breathability. The vest is made from durable and lightweight materials, allowing for easy movement. With its packable feature, you can easily fold and store it in your bag when not in use. Whether you're hiking, skiing, or running, this vest is a great addition to your activewear wardrobe.