90% down jackets are softer and more comfortable, and the fibers of down jackets are relatively fluffy, and the converted volume is smaller. The quality of down jackets made is more docile than that of 80% down jackets. As far as bulkiness is concerned, eiderdown is higher than silk and cotton quilt. For example, the minimum standard of 450-degree fluffy 90 duck down is also better than silk and cotton, and its economic value is higher than other warm-keeping materials.

White duck down is reed-flower-like fluff, and the flakes are feathers. Down is a kind of animal protein fiber, and the spherical fiber is densely covered with thousands of triangular tiny pores, which will contract and expand with the change of smell, resulting in temperature regulation, which can isolate cold air from the outside.

The difference between down jacket grey duck down and white duck down

Their corresponding down jackets are also different in color. Generally, white or lighter colors, the inner container of down is mostly white duck down, so that the design details and quality exquisiteness of down jacket will not be affected by the color of the inner container. Grey duck down will only be used for down jackets with darker colors. This is also for security reasons.

However, high-quality down jackets all have two or three layers of down jacket fabrics to stop the phenomenon of down drilling, so it is naturally difficult to see the color of down inside. It's just that everyone has a high degree of affection for white duck down, and they are generally willing to accept the white duck down filling liner.