The Under Armour Women's ColdGear Reactor Vest is a popular choice among active women. It is designed to adapt to your body temperature, providing the right amount of warmth and breathability. The vest is made with a quilted pattern and features a hood for added protection. It is also water-resistant, making it suitable for various outdoor activities. With its innovative technology and comfortable fit, this vest has earned its place among the top-rated activewear vests on Amazon.