Warm, windproof, water-resistant-the Nano Puff Vest uses incredibly lightweight and highly compressible 60-g PrimaLoft Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E. (Produced Using Reduced Emissions) technology, wrapped in a 100% recycled polyester shell and lining. Made in a Fair Trade Certified factory. Lightweight 100% recycled polyester ripstop shell with a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals). 60-g PrimaLoft Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E. (Produced Using Reduced Emissions) technology provides excellent warmth for its weight, stays warm when wet and reduces carbon emissions as compared to conventional production methods. Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort.