Result Mens Seneca Midweight Performance StormDri Waterproof Windproof Jacket Polyester, , Outer: StormDri Polyester with PVC coating. Insulation: 150g/m Polyester fiber. Lining: Upper body - Active Fleece by RESULT Lower body - 190T quilted. Nylon Taffeta. Waterproof 4,000mm & windproof.