The Marmot Women's Jena Vest is a top-rated sleeveless reflective convertible packable activewear vest on Amazon. It is designed to provide lightweight warmth and protection during outdoor activities. The vest is insulated with 700-fill-power goose down, which offers excellent warmth-to-weight ratio. It has a durable water repellent (DWR) finish to protect you from light rain or snow. The Jena Vest also has reflective details for increased visibility during nighttime activities. It is lightweight and packable, making it easy to carry in your backpack or suitcase. The vest has a slim fit and a stylish design, making it suitable for both active and casual wear. Whether you're hiking, skiing, or simply running errands, the Marmot Women's Jena Vest is a reliable and high-quality choice.