The Nike Women's Aeroloft Flash Running Vest is a lightweight and reflective activewear vest that is perfect for running in low-light conditions. It is made with a water-resistant fabric and filled with 800-fill-power goose down for warmth. The vest features reflective details and a full zip front for visibility and easy on and off. It also has zippered hand pockets for secure storage. Whether you're running at night or in the early morning, this vest will keep you visible and comfortable.