The Nike Women's Aeroloft Flash Running Vest is a top-rated sleeveless insulated waterproof high-visibility activewear vest on Amazon. It is designed specifically for running, providing lightweight warmth and visibility. The vest features Nike's Aeroloft insulation, which provides warmth without adding bulk. It also has a water-resistant finish, keeping you dry in light rain or snow. The high-visibility design of the vest ensures that you stay visible in low-light conditions. The Aeroloft Flash Running Vest has a slim fit and a stylish design, making it suitable for both outdoor activities and everyday wear. With its performance features and brand reputation, it is no surprise that the Nike Women's Aeroloft Flash Running Vest is highly rated by customers on Amazon.