The Patagonia Nano Puff Jacket is one of those technical pieces that everyone should really own, Warm, windproof and water-resistant, the Nano Puff Jacket uses incredibly lightweight and highly compressible 60-g PrimaLoft® Gold Insulation with 100% postconsumer recycled polyester with P.U.R.E. (Produced Using Reduced Emissions) technology. All wrapped in a 100% recycled polyester shell complete with a DWR (Durable Water Repellent) finish.The 60g PrimaLoft® Gold Insulation Eco with 100% postconsumer recycled polyester provides excellent warmth for its weight, stays warm when wet and reduces carbon emissions as compared to conventional production methods. Even with all the insulation in the Nano Puff Jacket it is still capable of packing away into its own carry pouch in the pocket.Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort. Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance.Two zippered handwarmer pockets have cleanly finished zipper garages; internal zippered chest pocket doubles as a stuffsack with a reinforced carabiner clip-in loop.