Columbia Sportswear Men's Big Tetragon Jacket Shell: 100% Omni-Shield Legacy Twill Nylon. Lining: 100% Omni-Heat Reflective Microtex Light Polyester. Insulation: 100% 80G Omni-Heat Thermal Insulation Imported Adjustable Snap Back Powder Skirt Omni-Heat Thermal Reflective and Insulated Omni-Tech Waterproof/Breathable Critically Seam Sealed Removable, Adjustable Strom Hood Waterproof Zippered Pockets