What is fill power in comforter?

Fill Power: Fill power is the measure for the amount of space one ounce of down takes up. The higher the fill power, the better the insulating ability and loft (fluffiness) a down comforter will have. Fill power is a good indicator of warmth and quality.Click to see full answer. Regarding this, what is a good fill weight for a down comforter?Down comforters vary by weight, with heavier weights being suitable for colder temperatures. Medium-weight down comforters are suitable for temperatures between 65 and 70 degrees Fahrenheit and have a fill power of roughly 200 to 700.Also, what makes a good down comforter? The label on a down comforter is usually marked with its fill power. This number relates to the quality of the down feathers used in the comforter. The higher the fill power, the larger and better quality of the down used. A higher rating also relates to a fluffier, lighter, more breathable and warmer comforter. Likewise, people ask, what does fill power mean? Fill power is a measure of the loft or “fluffiness” of a down product that is loosely related to the insulating value of the down. The higher the fill power, the more air a certain weight of the down can trap, and thus the more insulating ability the down will have.What down fill power do I need?Fill power number indicates the amount of space one ounce of down occupies. The higher the fill power, the larger the down cluster. Weight of down insulation is also important; a jacket with 80 grams of 600 fill power down is warmer than a jacket with 40 grams of 700 fill power down.