The Marmot Women's Jena Vest is a stylish and functional sleeveless lightweight safety packable activewear vest. Made from 100% polyester and filled with 700-fill-power down insulation, this vest offers excellent warmth and comfort. It features a zippered front, two hand pockets, and a stand-up collar for added protection. The Jena Vest is also packable, making it easy to carry and store when not in use. With its high-quality materials and reliable performance, it's no surprise that this vest is a best seller on Amazon.