The Columbia Women's Heavenly Vest is a top-rated sleeveless lightweight high-visibility thermal activewear vest on Amazon. Made with a combination of polyester and nylon, this vest offers excellent warmth and comfort. The high-visibility design ensures that you are easily seen during outdoor activities. The vest features a water-resistant shell, making it suitable for various weather conditions. It also has zippered hand pockets for convenient storage. Whether you're hiking, running, or simply enjoying the outdoors, this vest is a reliable choice.