The most versatile piece of insulation Patagonia makes, the Nano Puff is weather-resistant enough to wear as an insulated shell in a wet snowstorm, trim enough to pull on for coffee with your friends.

 The wind-blocking, moisture-shedding DWR (durable water repellent) finished, 100% recycled polyester shell also glides effortlessly, whether worn as an outer or midlayer. Low-bulk, hydrophobic, highly compressible PrimaLoft® One (60-g) traps heat with remarkable efficiency, even when wet.

Stuffs into its own chest pocket (with carabiner clip-in loop). Elasticized cuffs and hem seal out wind and trap warmth. This is a great packing layer to throw in your bag - it compacts so small for such big warmth!

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