The Under Armour Women's ColdGear Reactor Vest is a top-rated sleeveless hooded insulated reflective activewear vest. It is designed to adapt to your body temperature, providing warmth when you need it and breathability when you're active. The hood adds extra protection from the elements, while the reflective detailing enhances visibility in low-light conditions. Made with high-quality materials, this vest is durable and comfortable to wear. Whether you're hitting the trails or running errands, this vest will keep you warm and stylish.