After wearing down jackets for so many years, do you really understand them?

Down jacket, as the most important item in winter, can choose a satisfactory down jacket to make you feel happy all winter. So after wearing down jackets for so many years, do you really understand it? There are all kinds of down jackets on the market, do you really know how to choose?

What is Down?
Down is the down and flakes of waterfowl such as geese and ducks. Down is down without feather stems. The higher the bulkiness of the fleece, the better the warmth retention. Since the velvet is so good, why do down jackets have raw flakes? Wouldn’t it be better to be all velvet? Feathers play a vital role in down jackets, allowing them to rebound quickly.
Is down jacket warm?
Down jackets are filled with down and air. To decide whether a piece of clothing is warm or not, what is actually considered is the conductivity of the clothing to heat. Air is a poor conductor of heat and has poor conductivity to heat. So down jackets are better at keeping warm.
Which is better, goose down or duck down?

Loft

The key is fluffiness. Goose down has better fluffiness than duck down. For the same bulkiness, a larger amount of duck down needs to be filled than goose down. So goose down jackets are much lighter.

odor

Goose down has less odor than duck down. After several rounds of cleaning during processing and production, ordinary consumers generally don’t feel much about qualified down jackets.

Goose down is also divided into white goose down and gray goose down. The price of white goose down is relatively high, but there is no difference in warmth retention.