5. Under Armour Women's ColdGear Reactor Vest

Stay warm and comfortable during your outdoor workouts with the Under Armour Women's ColdGear Reactor Vest. This puffer vest is equipped with ColdGear Reactor insulation that adapts to your activity level, providing the right amount of warmth. It features a lightweight and breathable design with a stand-up collar and zippered hand pockets. The vest also has a slim fit that allows for easy layering. Take your activewear to the next level with this high-performance vest from Under Armour.