Stay active and comfortable this holiday season with the Under Armour Women's ColdGear Reactor Vest. This insulated activewear vest is designed to adapt to your body temperature, providing the right amount of warmth without overheating. The vest features a lightweight and breathable construction, making it perfect for layering. It also has a slim fit and a high collar for added protection against the cold. With its stylish design and advanced technology, this vest is a must-have for any outdoor enthusiast.