Stay cozy and eco-friendly with the Patagonia Women's Nano Puff Vest. This insulated activewear vest is made with 100% recycled polyester shell and synthetic insulation, making it a sustainable choice for your winter adventures. The vest features a slim fit and a high collar to keep you warm and protected. It also has zippered hand pockets and an internal chest pocket for storing your essentials. Whether you're hiking, camping, or simply enjoying a walk in the park, this vest will keep you comfortable and stylish.