People talk about synthetic insulations going flat and losing some of their insulating value in terms of years. But a better measure is related to the number and of it being compressed.
Several years ago I saw a study about the durability of polarguard which had some graphs about the number of compressions -vs- insulation value. At the time I didn’t write down the information and I can’t find it anymore. Any studies you can point me to? Richard?
The closest thing related to this that I could find was an early thread about
warmth, weight, and loft

