All 35 activewear we scored fail our PFAS screen

We scored 35 activewear for PFAS forever chemicals and other hazards, then ranked them safest first. Every score below links to the full breakdown of what earned it.

How to read these scores. PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Each grade is a model-based assessment built from published ingredient lists, materials, certifications, brand disclosures, recalls and third-party lab results where they exist. Read the full rubric to see exactly what adds and removes points.
100% of the 35 activewear we scored fail our PFAS and toxin screen.
PFAS Authority, September 2026. Free to cite with a link. See the full dataset.

The safest PFAS-free activewear we have scored

Nothing in this category clears our buy threshold yet. That is the finding, not a gap.

The activewear we would skip

Lowest scoring in this category, worst first.

Fabletics Women's On-The-Go PowerHold High-Waisted Leggings

Fabletics

Women's On-The-Go PowerHold High-Waisted Leggings

nylon blend with performance moisture-wicking coating

PFAS Grade20Bad
Overall Grade8Bad
♾️

PFAS

Limited concern

70
🫧

Coating degradation and microplastic shedding

Limited concern

70
⚠️

Skin sensitization from finish residues

Limited concern

70

Skip until brand discloses water-repellent coating treatment chemistry

Waterproof or stain-proof treatment

Everlane Perform Flare Legging

Everlane

Perform Flare Legging

Nylon blend with water-repellent coating water-resistant treatment

PFAS Grade20Bad
Overall Grade0Bad
♾️

PFAS

High concern

20
🎨

Azo dyes and synthetic colorants

Limited concern

70
🫧

Nylon microfiber shedding

Moderate concern

45
💨

Formaldehyde / VOCs

Limited concern

70

Typical activewear with water-repellent coating; PFAS risk unclear without material disclosure.

Waterproof or stain-proof treatment

Everlane Perform Legging

Everlane

Perform Legging

nylon/polyester blend with moisture-wicking treatment

PFAS Grade20Bad
Overall Grade0Bad
🫧

Microplastics

Moderate concern

45
🎨

Heavy metals

Limited concern

70
💨

Moisture-wicking coating off-gassing and degradation

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70

Skip until brand discloses water-repellent coating chemistry or removes water treatment.

Waterproof or stain-proof treatment

What we check on activewear

  • Formaldehyde / VOCs. Off-gassing chemicals from some finishes, textiles, and pressed wood. ATSDR
  • Endocrine disruptors. Chemicals that interfere with the body’s hormone system. NIEHS

Full point-by-point rubric on the methodology page.

The activewear brands that will not say

8 of the brands here publish nothing about PFAS at all. Silence is not evidence of harm, but it is why none of them score well on disclosure.

Adidas, Carbon38, Everlane, Fabletics, Koral, Lululemon, Nike, Reebok.

Common questions about PFAS-free activewear

Is activewear PFAS free?

Mostly not. Of the 35 activewear we have scored, 100% fail our PFAS and toxin screen, which leaves 0 that pass. The lowest is Fabletics Fabletics Women's On-The-Go PowerHold High-Waisted Leggings at 20.

Which activewear should I avoid?

The three lowest scoring we hold are Fabletics Fabletics Women's On-The-Go PowerHold High-Waisted Leggings at 20, Everlane Everlane Perform Flare Legging at 20, Everlane Everlane Perform Legging at 20. The problem with the first is that skip until brand discloses DWR treatment chemistry

How can you tell if activewear contain PFAS?

In this category we check for formaldehyde / vocs, endocrine disruptors. Off-gassing chemicals from some finishes, textiles, and pressed wood. Language like stain resistant, water repellent or easy release usually means fluorinated chemistry even when PFAS is never printed on the box.

Which activewear brands will not say whether they use PFAS?

8 of the brands we scored in this category publish nothing about PFAS at all, including Adidas, Carbon38, Everlane, Fabletics, Koral, Lululemon. Silence is not evidence of harm, but it is the reason those brands cannot score well on disclosure.

Do you lab test activewear?

No. We score from published ingredient lists, materials, certifications, disclosures and third party lab results where they exist. Where a product has been independently tested we use that result and say so.

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