White duck down is a natural insulator that helps ducks and other birds stay warm in cold weather. White duck down is made of tiny fibers that trap air and provide insulation. The finest down comes from the breast feathers of white geese or ducks. Goose down is often used in bedding, jackets, and other clothing. Duck down is less expensive than goose down and is used in many jackets and sleeping bags.
White duck down is a popular filling for winter coats and other clothing because it is lightweight and warm. Down is the soft, fluffy undercoating of waterfowl. It is composed of tiny filaments that form clusters. The quality of down is determined by the size, shape, and tightness of the clusters.
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