Columbia Sleeveless Shell: 100% polyester Windowpane Triple ripstop. Lining: 100% polyester reflective print microtex lite. Insulation: 50% polyester/50% recycled polyester OH, 80g Imported Interior Security Pocket Omni-Heat Thermal Reflective and Insulated, 80g Water Resistant Fabric Draw cord Adjustable Hem Zip-Closed Pockets