Down Fill Power (2025): Filling Weight, Synthetic

If everything else is the same, an 800 fill down ounce will be warmer and smaller in size than an 650 fill down ounce. This means it’s easy to store in your pocket. Or a bag. Almost universally, high filling costs increase, and getting up to 800-1,000 fills of power means you’ll end up paying hundreds of dollars for what you buy, whether it’s a technical outdoor hoodie or winter bag. , or a cozy bed comforter.

How about synthetic insulation?

Synthetic down alternatives such as Primaloftdo not use the input as a measurement. This makes it difficult to compare the warmth between the two jackets.

One approach is to find the weight of the insulation in your clothing, but manufacturers don’t always disclose this information. Even if you reach out to customer service to find the fill weight, if the type of synthetic insulation differs from clothing to next clothing, the comparison is discarded. Primaloft gold Unlike Primaloft Silver, it is even different 3m featherless. There are no easy metrics to compare synthetic insulation. This is how you use downfill power for goose down.

The synthetic insulation is not compressed as small as the goose down and still doesn’t match its warmth. To make a synthetic jacket as warm as a down jacket, the manufacturer must pack it with more insulation, making it bigger and fluffy. Buy geese exclusively when working at temperatures below 30 degrees Fahrenheit.