The Brooks Women's LSD Vest is a top-rated sleeveless lightweight high-visibility thermal activewear vest that is perfect for runners. Made with a blend of polyester and spandex, this vest offers a comfortable and stretchy fit. The high-visibility design ensures that you are easily seen during your runs. The vest features a full zip closure and zippered pockets for secure storage. It also packs into its own pocket, making it easy to carry. With its lightweight and functional design, this Brooks vest is highly rated by women on Amazon.