Down comforter is a type of bedding fabric which is filled with down feathers. The down of birds is thelayer of fine feathers found under their protective outer feathers. It is the soft inner plumage found on the abdomen of ducks and geese. Down comforter has special insulating propertieswhich make it warmer than a blanket or a comforter packed with synthetic fiber or feathers, while maintaining the feel of softness and lightness. It is made of down plume that captures the air between the human body and outside, therebymaintaining the ideal temperature which is neither too hot nor too cold. The quality of a down comforter can be determined by the loft or the fill power. Fill power means the amount of down per ounce. The more the fill power, the softer the fluff and the higher theability of insulation.Down comforters with a fill power of 600 are usually recommended for use as they areof superior quality and exceptionally warm. The thread count in a comforter indicates the quantity of...