Columbia’s Novo Trail Shoe is a flexible, breathable hiker that, as far as hiking footwear goes, won’t break the bank. (Read: ...

If you buy something via one of our links, we may earn a commission. The Hoka Speedgoat 5 Mid Gore-Tex Hiking Boots are on sale for $115, a rare 36% discount from its normal price of $180.

But where are PFAS still found? What are the rules here anyway? Should you throw out your old Gore-Tex jacket? And what should you do to avoid products with PFAS? Here's a closer look.