This jacket is warm, windproof, water resistant and super compressible, Nano Puff products are made with 22 denier 100% recycled polyester and insulated with 60 g PrimaLoft Gold Insulation Eco with 55% post consumer recycled content. While not quite as warm as down, synthetic insulation will keep you warm even when wet. Windproof and water resistant, the Nano Puff Jacket is made with warm, incredibly lightweight, highly compressible 60 g PrimaLoft Gold insulation.
