How Is Down Fill Power Calculated?

How much fill power for a down comforter?

Higher fill powers (around 700) means a warmer and lighter blanket.

That’s because fluffier down has higher insulating power (it can trap more air), so it requires less down to fill the same space than a lower fill power down (say, 600), which needs to be heavier to get the same amount of warmth..

What is 500 fill down?

The fill power rating value is calculated by measuring how many cubic inches an ounce of down creates at its maximum loft. A down fill rating of 600, for example, means that one ounce of down can cover 600 cubic inches. … The most common down products have a rating of 400 to 500.

When should you wear a down jacket?

Sporty Styles. While inexpensive down jackets will work just fine for fashion purposes or moderately cold city travel, don’t skimp out when you’re headed outdoors. If you’re planning a cold weather trekking, camping, or snow adventure then invest in a jacket that will keep you warm.

Is 800 fill down warmer than 600?

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. The image below illustrates the difference in volume between a gram of 600, a gram of 700, and a gram of 800 fill power down.

Is goose down better than duck down?

What is goose down? Goose down is generally larger and stronger than duck down, which is why a duvet with 100 % goose down has a better fill power. The better quality is a result of the fact that geese are larger than ducks and generally have a longer life.

Is Hungarian goose down best?

100% Hungarian goose down is considered the best down filling on the market. Super soft and super fine Hungarian goose down is a high-quality and comfortable bedding filling that provides ultimate heat insulation and lightweight comfort. … Thus, their down is highly desirable for its thermal qualities.

Are down jackets worth it?

Ultimately, down is worth the cost if you’ll be in weather that’s cold but not super wet. Some of the warmest coats can cost well over $1,000, but Jordan Wand, vice president of product and marketing for Outdoor Research, assured ABC News, “There’s no silver bullet” when it comes to getting the right down coat.

How do you determine the warmth of a down comforter?

It is the true measure of quality and it is tested by measuring the amount of space 1 oz of down takes up. The more space it takes; the higher the fill power. A higher fill power will give you a lighter, more fluffy comforter for a given warmth level. Fill weight is the main driver of warmth.

What does the fill power of down 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.

Is Goose Down warmer than duck down?

When selecting a feather & down product, it is important to note that there is a significant warmth difference between goose down and duck down. Geese are larger birds than ducks and generally have bigger down clusters. … Given all other factors are equal, a 95% goose down duvet will be warmer than a 95% duck down duvet.

Is a 650 fill power warm?

A 650 down fill jacket with 330g of down may be as warm as an 800 down fill jacket with only 120g, but the 650 fill jacket will be bigger, heavier and take up more room when stuffed in your pack. The warmest down jackets are built with a high fill power down and a heavier down weight.

What’s the highest fill power of a down comforter?

Higher fill power goose down makes better comforters and pillows — and at Cuddledown, we currently offer comforters and pillows in a selection of fine European White Goose Down fills in lofty 700 and 800 fill powers. However, our 1,000 Fill Power European White Goose Down is absolutely the finest down we’ve ever seen.

What should I look for when buying a goose down comforter?

A general rule of thumb is the higher the down percentage the higher the quality. Goose Down: The premium and most expensive comforters are comprised of pure, white hypoallergenic goose down. Geese are larger birds, which produce bigger down clusters, perfect for higher fill to produce more warmth for cooler climates.

Is polyester fill as warm as down?

So now we know down is warm but doesn’t do well in wet or humid conditions. … It’s made with polyester fibers that are arranged in different sized filaments and intertwined, mimicking down’s lofty clusters. These ultrafine fibers trap warmth in air pockets, providing great warmth… though not quite as good as down.

What is a good fill power for a down jacket?

A result of 450 cubic inches of down equates to 450-fill-power down. More resilient down compresses less and will loft higher. It also yields a higher test result—900 fill power is about as good as down gets. Premium fill-power down commands a premium price.

What is the highest quality goose down?

Goose Down Fill 900. 900 fill down is the highest quality down commercially available and considered the absolute gold standard of insulation—with an unmatched warmth-to-weight ratio, it is highly compressible, ultralight and amazingly warm. … Goose Down Fill 800. … Goose Down Fill 700. … Goose Down Fill 600.

What is the warmest down?

The down fill of a jacket will be either goose down, duck down or a combination of the two. Goose down is often regarded as the warmest and lightest but duck down jackets, or jackets with a combination, are often cheaper.

How warm is 700 fill down?

Jackets that are insulated with 700-900 fill power down are usually warmer, but they are much harder to find. … If you are looking to get a warm winter jacket, look for anything with 550 fill power and above. Anything lower than that won’t really be warm enough for sub-zero temperatures.