Men’s Patagonia nano jacket puffer with hood. Insulated to keep you warm. Worn for one trip. Packable, can be stuff and packed into small pocket for travel size! Size: medium Color. Blue Warm, windproof, water-resistant—the Nano Puff® Jacket uses incredibly lightweight and highly compressible 60-g 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. Made in a Fair Trade Certified™ factory.