PUL is a polyester knit fabric that is laminated on one side with polyurethane. The unlaminated side wicks moisture and the laminated side is what makes our underwear leak proof. We prefer to use this fabric instead of water resistant sprays and chemical treatments, which have a risk of containing PFAS toxins. PFAS toxins have been linked to cancer, reproductive and immune system harm and other diseases. We don’t know how much PFAS the body absorbs from underwear, but a recent study showed that the absorption of PFAS through the skin is as harmful as when PFAS are ingested orally. Our fabrics have been rigorously tested by a third party company to ensure we are compliant with industry standards and best practices. We are proud to use fabric that is free of PFAS toxins.

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