Warm, windproof and water-resistant, the Patagonia Men's Nano Puff Jacket uses incredibly lightweight and highly compressible 60-g PrimaLoft Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E. technology, wrapped in a 100% recycled polyester shell and lining. Lightweight 100% recycled polyester ripstop shell Durable water repellent (DWR) finish made without perfluorinated chemicals (PFCs/PFAS) 100% postconsumer recycled PrimaLoft Gold Insulation Eco provides excellent warmth for its weight and stays warm when wet Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance Center-front zipper has a wicking interior storm flap and a zipper garage at the chin for next-to-skin comfort Two zippered handwarmer pockets have cleanly finished zipper garages Internal zippered chest pocket doubles as a stuff sack with a reinforced carabiner clip-in loop Drawcord-adjustable drop-tail hem seals in warmth P.U.R.E. (Produced Using Reduced Emissions) technology reduces carbon emissions as compared to conventional production methods bluesign approved shell and lining fabrics Fair Trade Certification ensures the people who make this product earn a premium for their labor Manufacturer lifetime warranty against defects in materials and workmanship