(1) Down filling amount: Down filling amount is not an indicator to measure the quality of down, it refers to the weight of all down filled in a piece of Women's Down Jacket (Couple Style). Generally, the filling amount of outdoor Women's Down Jacket (Couple Style) is about 250-450 grams according to the target design.

(2) Down content: The down content is the proportion of down in the down, which is generally expressed as a percentage. Outdoor Women's Down Jacket (Couple Style) generally contains more than 80% down. This data shows that the down content is 80%, and the feather accounts for 20%.

(3) Bulkiness: Bulkiness is an important indicator to measure the warmth of Women's Down Jacket (Couple Style). If the space occupied by an ounce of down is 600 cubic inches, it is said to have a loft of 600. The higher the bulkiness of the down, it means that the down with the same filling amount can fix a larger volume of air layer to keep warm and heat insulation, so the warmth of the down is better. Bulkiness is not a rigid indicator in China, and the relative error of measurement is also large.