Memory foam pillows: These pillows are made of viscoelastic foam and contour to the shape of your head and neck for personalized support.
Down pillows: These pillows are filled with the soft, fluffy feathers found underneath the tougher exterior feathers of ducks or geese.
Feather pillows: These pillows are filled with the exterior feathers of ducks or geese and provide a firmer support than down pillows.
Polyester pillows: These pillows are filled with synthetic fibers and are a more affordable option than down or feather pillows.