The Patagonia Women's Down Sweater Vest is a highly-rated sleeveless insulated vest known for its exceptional warmth and eco-friendly materials. It is made from 100% recycled polyester and filled with 800-fill power down, offering excellent insulation in cold weather. The vest features a zippered front, two zippered hand pockets, and a stand-up collar for added warmth. With its lightweight and compressible design, it is perfect for travel or layering under a shell jacket.