Columbia Sportswear Men's Mighty Light Hybrid Jacket Shell: 100% shadow ripstop nylon. Lining: 100% omni-heat reflective microtex light polyester. Insulation: 100% 80g omni-heat thermal insulation Imported Interior Security Pocket Omni-Heat Thermal Reflective and Insulated Water Resistant Fabric Hybrid for Stretch and Breathability Zippered Hand Pockets