The Patagonia Women's Down Sweater Vest is a popular choice among women looking for a high-quality sleeveless insulated lightweight safety activewear vest. It is filled with 800-fill-power Advanced Global Traceable Down, providing exceptional warmth and compressibility. The vest features a durable water-repellent finish to keep you dry in light rain or snow. It also has zippered hand pockets and an interior chest pocket for convenient storage. With its eco-friendly materials and superior performance, it's no wonder this vest is a best seller on Amazon.