Columbia Men's Whirlibird Interchange Jacket - 2015 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