While we don't have an R&D lab here, we do rely on real world testing not only by ourselves but also by a select group of experienced testers. We do use a down/loft formula to determine how much down is needed to reach a certain loft measurement.Yes 1000 FP does have a measurable difference compared to other FP. Not as noticeable with 950. But lower fill it is. Our down is all RDS certified from Loose goose down, who sources from Allied and IS 1000FP. The main reasons we havent fully released these quilts is a combination of material availability and testing to be sure they work properly.
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