Windproof, warm, lightweight and very compressible, the Nano Puff Vest is ideal insulation under a shell. Made with 60-g PrimaLoft® ONE insulation, it also doubles as a stand-alone wind barrier in warmer conditions. Ultralight ripstop recycled polyester shell fabric has a Deluge DWR finish. Lightweight 60-g PrimaLoft ONE insulation provides excellent warmth and compressibility. Two zippered handwarmer pockets. Stuffs into a zippered internal chest pocket with a reinforced carabiner clip-in loop. Drawcord hem seals out wind. Shell and lining: 1-oz 15-denier 100% recycled polyester with a Deluge® DWR (durable water repellent) finish. Insulation: 60-g PrimaLoft® ONE 100% polyester. 212 g (7.5 oz) Made in Vietnam.