1, color: white and gray.

2. Price: White duck down is more expensive. Goose down is the best, followed by duck down. Among duck down, white duck down is more expensive than grey duck down. This is because many down jacket manufacturers are in the south, while the south is rich in grey ducks or black ducks, while white ducks are less. According to the principle that things are rare, white duck down is naturally more expensive. ?

3. Use: White duck down is used as a filler for light-colored fabrics, and gray duck down will be used for down jackets with dark fabrics. There is no saying that white duck down is warmer than grey duck down. ?

When the fabric color of some down products is light and the number of lining layers is small, white duck down is generally used to avoid revealing the color of the filler. Especially for down jackets with white fabrics, white duck down is generally used to avoid looking gray, but if the interlining is thick or multi-layered, this problem is basically not considered.

4, keep warm: almost.

Generally speaking, the quality of down is not the color, but the density of down internal structure and the fineness of down fiber. From this point of view, there is not much difference between grey duck down and white duck down. So when you buy it, you don't have to emphasize what duck down it is.