Patagonia W's Nano Puff Hoody Warm, windproof, water-resistant, the Nano Puff Hoody uses incredibly lightweight and highly compressible 60-g PrimaLoft Gold Insulation Eco (100% polyester that's at least 55% postconsumer recycled) wrapped in a 100% recycled polyester shell and lining. This stylish jacket is at home on the river or in town, and provides excellent warmth for its weight, stays warm when wet and reduces carbon emissions as compared to conventional production methods. Fair Trade Certified sewn.