Down content is the ratio of down inside the velvet generally expressed as percentage. Popular speak, cashmere jacket is above 80%. That means the content of down is 80% down and 20% feather.
Cashmere is not equate to charge down. Cashmere refers to the ratio of tiny velvet to velvet silk within down coat. This is a key factor to show the quality of down. Charge down refers to the total down. The two index are essentially different.
Under a certain cashmere, Charge down of adult down coat should be more than 100 grams in south. And no less than 200 grams in north.Only such kinds of coat would play warm effect.
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