The Nike Women's Aeroloft Running Vest is designed to keep you warm and comfortable during your runs. It features Nike Aeroloft technology, which provides lightweight insulation to keep you warm without overheating. The vest has a packable design, making it easy to carry and store when not in use. It also features reflective details for enhanced visibility in low-light conditions. Stay warm and visible during your runs with this stylish and functional activewear vest from Nike.