Shell/lining:15D Nylon with DWR finish. Fill:95% Goose down. Fill weight:M-350g;L-400g. Weight:M- about635g;L-about730g. Comfort:3? ;Limit:-3? Recommended height for user:M? 178cm;L? 192cm. Fill:95% Duck down. Comfort:4? ;Limit:-2? Or, you can choose to get a replacement. Our goal is to ensure a happy shopping experience with us.