The Patagonia Men's Nano Puff® Hoody features 60g PrimaLoft® Gold Insulation Eco, 100% postconsumer recycled polyester fabric, with P.U.R.E.™ (Produced Using Reduced Emissions) technology, all providing lightweight warmth, windproofing, and water resistance. The exterior and lining are both made from 100% recycled polyester. Stay warm and comfortable during any outdoor activity. Constructed from the superior-quality materials you've come to expect from Patagonia, this hoody provides warmth, windproofing, and water resistance for your next adventure.