Columbia Men's Big and Tall Gold 650 TurboDown Down Jacket-Extended 100% Nylon Imported Zipper closure Machine Wash Outer shell constructed of 100% nylon 30D micro ripstop fabric Lining constructed of100% polyester Omni-Heat Reflective Microtex DP 650 TurboDown insulation combines Goose 550 fill power down insulation + 100g Omni-Heat insulation Omni-Heat thermal reflective lining prevents heat loss Water resistant fabric