Non-Toxic Synthetic Athletic Wear, ranked by PFAS grade
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
All 15 synthetic athletic wear products PFAS Authority has graded score below its 70 point pass mark for PFAS and other toxins, as of October 2026.
The full ranking is below, best-graded first, with every score linking to the evidence behind it. Nothing here clears our buy threshold yet, so the least-concerning options come first.
Is synthetic athletic wear safe?
None of the 15 synthetic athletic wear products we graded come back low-concern on our screen. Our grades are model-based assessments built from published materials, ingredient lists, certifications and brand disclosures, not laboratory tests, so they say what we can evidence rather than that anything is safe.
Best graded synthetic athletic wear here
- 1Arc'teryx Men's Cormac Logo Shirt 65 out of 100
- 2Hoka Men's EveryRun Short Sleeve 65 out of 100
- 3Hoka Men's Race Day Short Sleeve T-shirt 65 out of 100
Start here
The best non-toxic synthetic athletic wear, ranked by grade
Buyer’s guide
What to look for in synthetic athletic wear, and which brands grade best and worst
Why Arc'teryx Men's Cormac Logo Shirt grades highest here, and why that is not a pass
Every grade on this page is one sum. A category starts from a baseline, each disclosed material or coating adds risk points, and each thing the brand or a third party has published takes them away. Below is that sum for the winner, then for 1 product it beats, so you can see exactly where the 45 points between the top and the bottom of this synthetic athletic wear ranking come from. Nothing in this category reaches our 70 point pass mark, so this is the shape of the field rather than a recommendation.
Top graded, and still below our pass mark
Made of 100% polyester knit, no water-repellent treatment.
- +30Category baseline. The starting point for this type of product, before anything specific to this product is counted.
- +15No PFAS disclosure. No public statement from the brand about PFAS in this product.
- -10Base material not linked to PFAS. The main material recorded for this product is not one associated with PFAS.
35risk points in total, which is a grade of 65
What the grade does not fix. It still carries one risk factor, No PFAS disclosure, and our graders recorded 3 other hazards on it. See the full breakdown.
What it still grades above, and why
What puts it behind. Waterproof / stain-resistant treatment, +35 points. Water-repellent coating treatments have historically used PFAS. The top-graded product carries no such factor.
Made of Polyester with water-repellent coating (water-repellent coating) finish.
- +35Waterproof / stain-resistant treatment
- +30Category baseline
- +15No PFAS disclosure
80risk points, a grade of 20
No product on this page was physically tested by us. Every number above comes from published materials, ingredient and coating disclosures, certifications and brand statements, scored on one public rubric. Formulations change without notice, so check the current product listing before buying.
Which synthetic athletic wear contains PFAS? Poor and Bad, we’d swap these
- 100% polyester knit, no water-repellent treatment
- Heavy metals
3 hazards checked on this product, all on its full breakdown.
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- polyester/nylon blend, no specified water repellent finish
- We found no PFAS statement from the brand
- Antimony in polyester
2 hazards checked on this product, all on its full breakdown.
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- polyester blend knit
- We found no PFAS statement from the brand
- Antimony in polyester
3 hazards checked on this product, all on its full breakdown.
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- polyester mesh and fabric
- We found no PFAS statement from the brand
- Heavy metals
4 hazards checked on this product, all on its full breakdown.
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- Polyester/nylon blend athletic knit, no disclosed water-repellent coating or stain treatment
- We found no PFAS statement from the brand
- Antimony in polyester
2 hazards checked on this product, all on its full breakdown.
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- Nylon blend with water-repellent coating finish
- water-repellent coating leaching during use and laundering
- polyester fleece with water-repellent coating finish
- PFAS
2 hazards checked on this product, all on its full breakdown.
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- Polyester with water-repellent coating water-repellent finish
- water-repellent coating chemistry (fluorine-based or unknown)
2 hazards checked on this product, all on its full breakdown.
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- Nylon/polyester softshell with water-repellent coating treatment
- Azo dyes and restricted colorants
2 hazards checked on this product, all on its full breakdown.
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- Nylon/polyester with water-repellent coating water-repellent treatment
- PFAS
4 hazards checked on this product, all on its full breakdown.
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- Polyester fleece with water-repellent coating finish
- Microfiber shedding (polyester fleece)
2 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon- Polyester with water-repellent coating (water-repellent coating) finish
- We found no PFAS statement from the brand
- Antimony catalyst residue in polyester
4 hazards checked on this product, all on its full breakdown.
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- nylon mesh with water-repellent coating water-repellent treatment
- We found no PFAS statement from the brand
- Formaldehyde / VOCs
3 hazards checked on this product, all on its full breakdown.
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- polyester/nylon blend with water-repellent coating water-repellent finish
- PFAS
2 hazards checked on this product, all on its full breakdown.
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- Nylon blend with water-repellent coating (water-repellent coating) treatment
- We found no PFAS statement from the brand
- PFAS
2 hazards checked on this product, all on its full breakdown.
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