Hopefully aerogel doesn’t prove to be as bad for the environment as GoreTex and other PFCs. Being that it is silica based, silicosis is a problem. Aerogels are a much better alternative to staying warm when compared to down. Aerogels are also “open source,” not propriety, so the benefits should prove to level the price playing field: aerogel.org
currently using aerogels in gear:
more from NASA:
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