For women who prioritize performance and style, the Under Armour Women's ColdGear Reactor Vest is a top choice. This sleeveless lightweight thermal vest is made with innovative ColdGear Reactor technology, which adapts to your activity level to provide the right amount of warmth. The vest is constructed with a water-resistant and windproof shell, keeping you protected from the elements. It features a slim fit and a quilted design for a sleek and modern look. The ColdGear Reactor Vest also has zippered hand pockets and a stand-up collar for added functionality. Whether you're hitting the gym or going for a run, this vest will keep you comfortable and stylish.