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Sweating and Stifled in the Rain? Why PFC-Free Waterproof Jackets are Essential for Sensitive Skin and Toxin-Free Hiking | Realm Sense

Traditional rain shells rely on fluorinated DWR coatings (PFCs/PFAS) that shed persistent chemicals and create unbreathable moisture traps during strenuous exertion. We evaluate the performance, breathability, and contact safety of certified PFC-Free waterproof shells.