The Patagonia Nano Puff Jacket - Women's is a packable jacket for on-the-go warmth. Outdoor adventure and cool days around town, the 60g PrimaLoft Gold Insulation Eco will provide constant warmth in your life. It's lightweight and not too hot, ideal for the changing of the seasons. The 100% recycled polyester shell is windproof and water-resistant, keeping the weather off while remaining responsibly conscious. Wear it, or stuff it inside the chest pocket when you don't.