I can’t find that in the article. Do you have a source for it? Regular gore-Tex is still on the market and it’s also based on PTFE so I must assume it’s the sp

I can’t find that in the article. Do you have a source for it? Regular gore-Tex is still on the market and it’s also based on PTFE so I must assume it’s the special formulations in Shakedry that are now banned. I e whatever PFOA is.