SHERPA ADVENTURE GEAR Men's Nangpala Jacket 100% Polyester Imported Right side Napoleon chest pocket makes for less bulky layering The ripstop shell fabric's tight weave and tiny micro-grid structure is downproof and wind-resistant: no fibers escape PrimaLoft Silver insulation combines water-repellant goose down (60%) with superfine, hydrophobic PrimaLoft fibers (40%) Handwarmer pockets and chest Napoleon pocket zip shut to secure necessities Chest pocket has internal media device port