From the Patagonia website: Warm, windproof and water resistant—the Kids’ Nano Puff® Brick Quilt Jacket uses 60-g PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology, wrapped in a NetPlus® 100% postconsumer recycled nylon ripstop shell that's made from recycled fishing nets to help reduce ocean plastic pollution. Made in a Fair Trade Certified™ factory. Excellent used condition. No snags. The sleeve cuffs are a little dirty but I haven’t tried washing.