Goose down of European origin with fill power 650 cui /oz (measured by the European standard).  Is is being used mainly for sleeping bags and clothing where the emphasis is on warmth still for affordable price. Also the loft is bigger. The down is veterinary tested and its qualities are verified by IDFB certificate (IDFB = International Down and Feather Bureau). Goose down is 100% natural, 100% recyclable, easily biodegradable.