From the Patagonia website: 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 Horizontal Quilting Pattern Brick quilting pattern with horizontal quilt lines on side panels stabilizes insulation and uses durable thread for abrasion resistance Center-Front Zipper Center-front zipper has wicking interior storm flap and zipper garage at chin for next-to-skin comfort Pocket Features Two zippered handwarmer pockets have cleanly finished zipper garages; internal zippered chest pocket doubles as a stuffsack with a reinforced carabiner clip-in loop Sealed-In Warmth Drawcord-adjustable drop-tail hem seals in warmth 030-26