Columbia Sportswear Women's Hexbreaker IIi Mid Down Jacket Shell: 100% nylon. Lining: 100% omni-heat reflective lite lining polyester. Insulation: 100% 600 fill power down Imported Removable, Adjustable Storm Hood Omni-Heat Thermal Reflective Water Resistant Fabric 600 Fill Power Down Goose Down Insulation Interior Security Pocket