Kid’s Patagonia Nano Puff in Classic Navy Gently used, smoke-free pet-free home Lots of life left! Warm, windproof, water-resistant—the Baby Nano Puff® Jacket uses incredibly lightweight and highly compressible 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.