Columbia Sportswear Men's Powderkeg Interchange Jacket Shell: 100% Omni-Shield Legacy Twill Nylon. Lining: 100% nylon 210T taffeta. Liner: 100% Omni-Shield Shadow Ripstop nylon. Lining: Omni-Heat Reflective Lite polyester lining. Insulation: 650 fill power down Imported Removable, Adjustable Storm Hood Omni-Tech Waterproof/Breathable Full Seam Sealed Omni-Heat Thermal Reflective and Insulated Liner. Zip-In 3-Point INTERCHANGE SYSTEM