The Nike Women's Aeroloft Running Vest is a lightweight and breathable sleeveless vest that is perfect for running. It is made with Nike Aeroloft technology, which provides lightweight insulation to keep you warm without overheating. The vest features a water-repellent finish to keep you dry in light rain. It also has zippered hand pockets for storing small essentials. The reflective details enhance visibility in low-light conditions. Whether you're training for a marathon or going for a jog, this activewear vest is a stylish and functional choice.