Stay warm and cozy during your outdoor workouts with the Under Armour Women's ColdGear Reactor Vest. This sleeveless hooded quilted vest is designed to adapt to your body temperature, providing the right amount of warmth when you need it. The quilted construction traps heat, while the hood adds extra protection against the wind and cold. The sleeveless design allows for unrestricted movement, making it perfect for layering over your favorite activewear. Whether you're running, hiking, or doing yoga, this vest will keep you comfortable and stylish.