Warm, windproof, water-resistant - the Nano Puff Jacket uses incredibly lightweight and highly compressible 60-g PrimaLoft Gold Insulation. Eco 100% post-consumer recycled polyester with P.U.R.E. (Produced Using Reduced Emissions) technology, wrapped in a 100% recycled polyester shell and lining. Fair Trade Certified sewn. Lightweight, 100% recycled polyester ripstop shell has a DWR (durable water repellent) finish. Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance.