Are There Toxic Chemicals in Your Kid's Outdoor Clothing? What PFAS-Free Actually Means

Somewhere between the group chat and a late night search spiral, almost every parent runs into the same unsettling phrase: forever chemicals. It shows up in articles about rain jackets, school uniforms, even car seats, vague enough to be genuinely scary without being useful. Here's the specific, checkable version of that fear.

The short answer: PFAS, the forever chemicals linked to health concerns, show up almost entirely in fabric treated to resist water or stains, not in plain, untreated natural fiber. Checking whether a garment is treated matters far more than checking whether the label says eco friendly.

What PFAS actually is

PFAS is a large class of manufactured chemicals prized for one trick: making fabric repel water and resist stains. That's useful in a rain jacket. It's also why the chemical gets embedded in the fabric itself rather than sitting on the surface, part of why it earned the name forever chemicals, it doesn't break down naturally over time.

Where it actually hides

Research from the Silent Spring Institute found PFAS in children's textiles marketed as water resistant or stain resistant, including products carrying green or non-toxic labels. It wasn't limited to one retailer or price point. It showed up specifically in treated, performance-marketed items, not in plain, untreated basics.

What to actually check before buying

The label "eco friendly" tells you very little on its own. What matters is whether the specific garment is treated to resist water or stains, since that's the functional reason PFAS gets added in the first place. A plain, untreated fabric like our ONE Shirt generally doesn't need that treatment to do its job, so that entire risk category doesn't apply the same way.

Quick FAQ

Is all outdoor clothing at risk of containing PFAS?
No, mainly items specifically treated to be water resistant or stain resistant, like some rain jackets and technical uniforms.

Does washing remove PFAS from treated clothing?
No, it's built into the fabric treatment itself, not sitting on the surface, so regular washing doesn't remove it.

Are there laws banning PFAS in kids' clothing?
Some states have started banning intentionally added PFAS in children's products, though coverage varies and isn't universal yet.

How can I tell if a specific garment is treated?
Check the product description for words like water resistant, stain resistant, or stain proof, and ask the brand directly if it isn't stated clearly.