The bulkiness of a high-quality down jacket is about 900, and the bulkiness of an ordinary down jacket is about 550. When we buy down jackets, we can't just listen to the introduction and label code of the shopping guide. The higher the fluffy down jacket, the shorter the time it takes for us to return to its original state after ironing. The recovery time of down jacket with a fluffy degree of 550 is 1 1 s, and the recovery time is different with different fluffy degrees.

Wear 550 fluffy down jacket for 3 minutes, and the body temperature can rise by 2-3 degrees; Wearing a 900 plush down jacket, the body temperature can rise to above 5 degrees.

To sum up, when we choose down jackets, an ordinary fluffy degree of 550 is enough, and down jackets with a fluffy degree of more than 800 should be used in particularly cold places.

New balance down jacket grade:

1, limit grade (between -50 and -20): it is suitable for special extreme uses such as the North and South Poles and climbing snow mountains. And it is basically a conjoined style, usually the fluffy degree is above 800 and the cashmere content is above 300g g g.

2. Cold grade (between-30 and-15): generally, it is a thick type filled with goose down with a fluffy degree of 650-750, and the filling amount is about 200-300g. ..

3. Ordinary grade (between -20 and -5): the most ordinary grade, generally 600-700 fluffy goose down, 180-250g cashmere filling, which is also the down jacket grade that many people wear everyday.

4. Light cooling grade (between -5 and 0): Goose down or duck down with a bulkiness of 600+ is usually used, but the filling amount is small.