The Marmot Women's Jena Vest is a top-rated sleeveless lightweight safety packable activewear vest available on Amazon. This vest is made from 100% polyester and filled with 700-fill power down, providing excellent warmth and insulation. It features a full zip closure, zippered hand pockets, and a stand-up collar for added functionality. The vest is also packable, making it easy to carry and store. With its high ratings and positive customer feedback, it is a trusted choice for women seeking a reliable and stylish activewear vest.