Microplastics are brought into the wilderness on hiking shoes and gear, study shows
(www.theguardian.com)
Yes. And most of it comes from tire dust. Not hiking equipment. Some tire companies are working on reformulating to try to solve this.
https://arstechnica.com/cars/2024/07/heres-how-michelin-plans-to-make-its-tires-more-renewable/