Down clothing and equipment at Webtogs ranges in fill power from 550 (medium fill power) to 900 (very high fill power). … The more insulating air pockets down traps, the warmer it will keep you! So in simple terms, the higher the fill power of a down jacket or sleeping bag, the warmer it will be for its weight.

What is a good fill rate for Down Comforter?

According to David Schachne, a vice president of the Feather King Products Corporation in South Bound Brook, N.J., the average fill power is 450 to 500 cubic inches of loft per ounce; above average, 550 to 650, and exceptional, 700. The comforter should be plump.

What is the best count for a down comforter?

If you’re looking for an all-season down comforter, the thread count “sweet spot” you should look for is between 300 to 500. A comforter with 500 to 700 thread count is excellent for cold weather down comforters.