4. Under Armour Women's ColdGear Reactor Vest

Stay warm and dry during your workouts with the Under Armour Women's ColdGear Reactor Vest. This insulated vest is designed to adapt to your body temperature, providing the right amount of warmth without overheating. It features UA Storm technology to repel water and a lightweight, breathable construction for maximum comfort. 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.