The Serta® All Season Goose Feather and Down Fiber Comforter provides the ultimate comfort experience. Featuring a 233-thread count, 100-percent breathable cotton, down proof cover that is soft to the touch. The unique fill of an all-natural blend of 90-percent white goose feather and 10-percent white goose down fiber, certified by the American Down & Feather Council. The end to end sewn through box quilting ensures that the white goose fiber doesn’t shift, so you’ll never have any cold spots on the bed.