If you want a water resistant fabric with fewer chemical/environmental issues, look into Fjällräven's G-1000 fabric [1]. Instead of using PTFE, it's just a cott

If you want a water resistant fabric with fewer chemical/environmental issues, look into Fjällräven's G-1000 fabric [1]. Instead of using PTFE, it's just a cotton-polyester blend waxed with Greenland wax (which is just beeswax and paraffin). [1] https://www.fjallraven.com/us/en-us/about/our-materials/g1000 https://www.fjallraven.com/us/en-us/about/our-materials/g100...