The Patagonia Women's Down Sweater Vest is a popular choice for those seeking a sleeveless windproof thermal vest. Made with a lightweight and durable recycled polyester shell, this vest is filled with 800-fill-power Advanced Global Traceable Down, providing exceptional warmth and insulation. It features a full zip closure and a stand-up collar to keep the wind out. The vest also has zippered hand pockets and an internal chest pocket for convenient storage. With its slim fit and stylish design, it can be worn as a standalone piece or layered under a jacket for added warmth. Whether you're hiking, camping, or simply running errands, this vest is a reliable and eco-friendly option.