Store Price: $575 The Riley White Goose Down Comforter is the world’s most awarded and acclaimed comforter. Recognized as the absolute best comforter two years in a row by Wirecutter. With a cotton sateen weave, Riley White Goose Down Comforters are so soft and pretty you’ll (almost) think of ditching a duvet cover. Our white goose down comforters come in 2 levels of warmth: Our All-Season comforters are filled with 700 Fill Power white goose down. The Extra Warm level is (over)filled with 750 fill power white goose down. Material Cover: 100% premium long staple combed cotton sateen. Fill: white goose down. Care: Recommend front loading, commercial washing machine in cold water with mild detergent.