Down Comforter Fill Power
Fill power is a good indicator of warmth and quality.
Down comforter fill power. Wayfair uses the following fill power measurements. 500 thread count cotton. Higher fill powers around 700 means a warmer and lighter blanket.
The higher the down fill power the better the blanket. Quality levels measure from 500 to above 750. Downlite hotel and resort european down comforter.
Ultra light warmth level features down comforters with lowest fill power and thread count while the ultra warm on the other hand has the highest. So the difference between a comforter with 550 fill power down and a comforter with 700 fill power down is that the 700 fill power down comforter will be lighter for the same warmth rating. Down comforters are measured using fill power.
The higher the fill power the higher your down comforter will puff up and loft. The outside of the comforter is soft woven cambric cotton but the real star is the european white goose down. Fill power is expressed as a value usually in the hundreds equal to the number of cubic inches one ounce of that particular type of down fills.
The warmth of a down comforter depends not only on the fill power but also on the quantity of fill. For example one ounce of 600 fill power down will take up 600 square inches of space while 700 fill power will take up 700 square inches it s a measurement of volume. Comforters with a higher fill power typically offer more warmth and have a fluffier feel.
Fill power represents quality loft and how warm a down comforter will sleep. Fill power measures the fluffiness of the mattress. A high fill power will provide more insulating ability for a given weight of down.