Patagonia Nano Puff Hoody in Grey. Back by popular demand, the Nano Puff Hoody is a versatile hooded jacket that can be worn for a day in the park, commute to work or for the more outdoor orientated activities. Crafted from a wind-blocking, moisture-shedding 100% recycled polyester ripstop shell with a DWR (durable water repellent) finish and the most thermally efficient synthetic insulation available, water-repellent, compressible 60-g PrimaLoft® Gold Insulation has excellent warmth-to-weight ratio and maintains 96% of warmth, even when wet, this is a great all weather jacket. Other features include elasticated hood opening, zip fasten, inner wind guard, chin comfort. The jacket also stuffs into an internal zip pocket for a easy to store lightweight jacket perfect for travel.