Columbia Sportswear Men's Big Whirlibird Interchange Jacket Shell: 100% Omni-Shield Legacy twill nylon. Lining: 100% nylon 210T taffeta. Liner: 100% polyester microfiber. Lining: 100% Omni-Heat Reflective Microtex Light polyester. Insulation: 100% 80g Omni-heat Thermal Insulation Imported Removable, Adjustable Storm Hood Omni-Tech Waterproof/Breathable Critically Seam Sealed Omni-Heat Thermal Reflective and Insulated Liner. Zip-In 3-Point INTERCHANGE SYSTEM Adjustable, Snap Back Powder Skirt