Goose down adjusts the temperature with the change of temperature, and the three-dimensional shape can contain a large amount of air and has good thermal insulation performance. Goose down is very light, breathable and moisture-wicking, which helps sleep to a certain extent
The bulkiness of goose down is also the highest, and the bulkiness determines many factors, such as heat preservation, temperature regulation, moisture absorption and dehumidification, etc.