For lofty, protective warmth you just can't beat genuine down. Our Down Jacket is a superb weather-fighter on its own--or it can be zipped into the Heavyweight Parka (J799 and J799S, sold separately) for double the protection. 100% nylon shell 600 fill power down insulation Elastic binding at cuffs and hem Open pockets Open hem Includes a separate polyester pouch to pack jacket into Due to the nature of nylon, special care must be taken throughout the decoration process when heat is applied for curing. Please consult with your decorator or material supplier.