Certified by Oeko-Tex standard 100 – class I, Crown Goose products go through 14 cleansing cycles and have 1000mm+ turbidity, confirming the cleanliness of our down product. Icelandic Goose Down 90%, Icelandic Goose Feather. 10%; 100% Cotton Downproof Satin Fabric. 875 FP (fill power, which is a measure of ""fluffiness"" of a down product. The higher the FP the more air an ounce of the down can trap, thus the more insulating ability the down has.