PFOA/PFAs are also widely used as DWR (Durable Water Repellant) for clothing.
Even Patagonia still uses chemicals in this class (or did as of 2015): https://www.patagonia.com/blog/2015/03/our-dwr-problem/
More reading here: https://www.motherjones.com/environment/2016/02/ski-clothing...