The structure of some fabrics enables them to promote different actions. Wicking is one example where they can use different length fibers to promote water/moisture to move through the structure, Gortex uses different substrates/laminates along with the warmth of the body to prevent water from penetrating the fabric but still allow moisture to exit, I mention these to get you thinking about different forces at play. Brushed Taslan is an example of a fabric that has reduced noise and a cotton type comfort and as it turns out some feel cool to the end user.
Another concept I try to get people to think about is that the same elements that provide warmth/insulation can often be used for cool/insulation...
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"It is because they have so much to give and give it so lavishly...that men love the mountains and go back to them again and again." Sir Francis Younghusband
Essayons
By Dand
"In the school of the wilds,there is no graduation day"Horace Kephart
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