These warm, windproof and water-resistant mitts have cozy brushed-tricot lining and are insulated with PrimaLoft® Gold Insulation Eco 100% postconsumer recycled polyester with P.U.R.E.™ (Produced Using Reduced Emissions) technology, which reduces carbon emissions compared to conventional production methods. The Nano Puff™ Mitts is fully backed by our Ironclad Guarantee and you can find it on Patagonia.com. | Patagonia Nano Puff™ Insulated Mittens in Black, Large - Outdoor Gloves - Recycled Polyester/Nylon