Both are good, there is no difference.

White goose down and gray goose down are both from the goose's down, the two are only different in color, one is white, while the other is gray, but the color does not affect the performance of the down jacket, the same amount of filling, the two warmth of the effect is the same.

General white goose down will often be filled in light-colored fabrics under the down jacket, and gray goose down is filled in dark fabrics in the down jacket, to prevent dark fabrics from losing color and lead to down staining, the appearance of the impact, in the purchase of down jackets when you can not pay attention to the color of the down.

Difference between gray goose down and white goose down:

1, the color is different, white goose down is white, gray goose down is gray, in the clothes filled with down, in order to not let the color inside out, light-colored fabrics will be filled with down with white goose down, dark-colored fabrics will be filled with down with gray goose down.

2, the price is different, the price of white goose down is more expensive, because white goose down can be widely used in light-colored fabric duvets and down apparel, while gray goose down can only be used for dark-colored fabric duvets or down apparel.

3, the use of different, light-colored fabric duvets to be filled with white goose down, dark-colored fabric duvets to be filled with gray goose down, the liner with less layers of material, but also to use white goose down, so that you can avoid the phenomenon of filler translucency.

4, warmth, white goose down and gray goose down warmth is almost the same, the warmth of goose down does not lie in the color, mainly to see the density of the internal structure of the down with the fineness of the down fibers, so the gray and white goose down is no better than some of the claims.