Raw materials: Down mostly comes from the abdominal fluff of goose; while duck down comes from the abdominal fluff of ducks. Warmth: Down has a higher degree of warmth; duck down has a lower degree of warmth. Down content: The down content of down can reach 90 to 95%; while duck down generally has a maximum down content of about 85 to 90%.

The difference between down and duck down lies in the raw materials, degree of warmth, velvet content, etc.

1. Raw materials: Down mostly comes from the abdominal fluff of goose; while duck down comes from the abdominal fluff of ducks.

2. Warmth retention: Down has a higher degree of warmth retention; while duck down has a lower degree of warmth retention.

3. Down content: The down content of down can reach 90 to 95%; while duck down generally has a maximum down content of about 85 to 90%.