The Under Armour Women's ColdGear Reactor Vest is a high-performance activewear vest designed to keep you warm and comfortable during cold weather activities. It features UA ColdGear Reactor technology that adapts to your body's temperature, providing the right amount of warmth and breathability. The vest has a sleeveless design with a hood for added protection. It is made from lightweight and durable materials that offer excellent mobility. The vest also has zippered hand pockets and a secure chest pocket for convenient storage. Whether you're skiing, hiking, or running, this vest is a top choice for active women.