I'm trying to decide which to use for an underquilt and running into all sorts of questions while reading various other posts and browsing stores online.
Climashield Apex seems to be offered in 2.5 ounce and 5 ounce at thru-hiker (http://thru-hiker.com/materials/insulation.php)
It also is offered in 2.2 ounce, 3.3 HL (different than apex?), and 6.0 ounce at outdoor fabrics (http://www.owfinc.com/fabrics.html, then insulation).
Primaloft Gold (or some places still list One) usually is listed at 100gsm or 200 gsm (http://www.rockywoods.com/Fabrics-Ki...lation-Fabrics).
Also listed as 3 ounce or 5 ounce (http://www.seattlefabrics.com/insulations.html), which is close to 100gsm and 200gsm (converting those gives 2.9 ounce and 5.8 ounce).
I've also seen people on this forum mention 3 ounce and 4 ounce for Climashield?
Are these differences in measure just the various roundings of the same offerings? They all seem close but it's odd that they are different.
Various posts says Climashield is more compressible and warmer, and it's CLO is a smidge higher (.82 vs .79). But a 6ounce Primaloft would be warmer than a 5ounce Climashield (and heavier), correct?
Some also say that Climashield doesn't need quilting loops, while Primaloft might?
I'm made a 3ounce Primaloft top quilt, and it seems comfortable down to 45 thus far. Probably going to make a warmer underquilt not (and a few for friends) and wondering which is the best to go with. Maybe a warmer top quilt also for the colder months.
Thoughts? Advice?
Oh- some people have done a layer of insultex as well. How much warmth does that add? Does insultex affect the compressibility since it seems stiffer to work with and wouldn't squish with the synthetic quite as well?
Sorry for the brain dump of questions. Been looking at so many things! Thanks so much!
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