Columbia Sportswear Men's Powderkeg Interchange Jacket Shell: 100% nylon Legacy twill. Liner: 100% nylon Shadow Ripstop. Lining: 100% polyester lightweight Thermal reflective. Insulation: 650FP Down, 80% down, 20% feathers Imported Down Insulated Liner Omni-Heat Thermal Reflective Omni-Tech Waterproof/Breathable Fully Seam Sealed Zip-in and 3 Point Interchange System Removable, Adjustable Storm Hood