The Patagonia Nano Puff Jacket is a lightweight, high-performance insulated jacket designed for versatile cold-weather use. Featuring PrimaLoft® Gold insulation—synthetic and highly compressible—it delivers exceptional warmth-to-weight ratio while remaining breathable and quick-drying, even when wet. The shell is made from 100% recycled polyester with a DWR (durable water repellent) finish, offering wind resistance and light moisture protection without bulk. Its signature quilted box construction ensures even heat distribution and prevents cold spots. A full-length YKK two-way zipper allows ventilation control, and the jacket includes two zippered hand pockets plus an internal chest pocket for secure storage. The stand-up collar provides neck coverage, and elasticized cuffs and hem minimize heat loss. The iconic Patagonia P-6 Logo patch on the left chest and original tan woven tag confirm authenticity. Ideal for layering under shells or wearing standalone in cool to mild winter conditions, it excels in urban commuting, hiking, travel, and everyday casual wear. Sustainable by design: made with Fair Trade Certified™ sewing and bluesign® approved materials. This sage green version offers understated, earthy sophistication suitable for both outdoor adventurers and style-conscious city dwellers.