Stay warm and comfortable during your workouts with the Under Armour Women's ColdGear Reactor Vest. This hooded puffer vest features ColdGear Reactor insulation, which adapts to your activity level to provide the right amount of warmth. The lightweight and breathable design ensures maximum comfort, while the slim fit allows for easy movement. Whether you're hitting the gym or going for a run, this vest will keep you cozy and stylish.