The Marmot Women's Jena Vest is a popular choice for women seeking a lightweight and packable sleeveless thermal activewear vest. This vest is made from 100% polyester and filled with 700-fill-power down, providing excellent warmth and insulation. It features a DWR (Durable Water Repellent) finish, making it water-resistant and suitable for various weather conditions. The Jena Vest also has zippered hand pockets for added convenience. With its lightweight and compressible design, this vest is easy to carry and store, making it a great option for travel or outdoor activities.