@user6216750121963: The eiderdown is a type of down feather, which is a soft and fine layer of feathers located under the eider duck's tougher exterior feathers. It stays dry thanks to the air trapped within and it's the only kind of down that these ducks naturally shed during molting/ YIMENG clothing manufacturer#clothingmanufacturer #wholesale #clothingbusiness #madeinchina #jacket #downjacket