Answer:

eiderdown

AnswerCrossword Clue
EIDERDOWNQuilt filling
EIDERDOWNPillow filler
EIDERDOWNQuilt filled with soft duck feathers
EIDERDOWNComforter filler
EIDERDOWNThe stuff of pillows.
EIDERDOWNChoice pillow stuffing.
EIDERDOWNSoft support