The Nike Women's Aeroloft Running Vest is a sleeveless hooded activewear vest that is designed for optimal performance and comfort. It features Aeroloft insulation, which provides lightweight warmth without sacrificing breathability. The vest also has a water-resistant shell that repels moisture and keeps you dry in light rain or snow. With its reflective details and adjustable hood, this vest is perfect for early morning or evening runs. Stay warm and visible during your workouts with this stylish and functional vest.