Better by design
01
No PFAS, ever.
We never use forever chemicals for water or stain resistance, even where it would be easier to.
02
Certified fabrics.
Organic cotton is GOTS certified. TENCELâ„¢ lyocell is certified by Lenzing. Verified, not self reported.
03
Closed loop, by design.
TENCELâ„¢ is made from wood pulp in a process that recovers and reuses its own solvents.
04
Tested, not assumed.
Every fabric is lab tested for the chemicals most activewear doesn't check for.
Two fabrics, one standard
Compare the materials.
Organic Cotton
Our breathable, soft organic cotton is made for Studio, slower movement and everything that happens in between.
- Best for
- Studio & slower days
- Source
- Certified organic cotton
- Certification
- GOTS
Products using Organic Cotton
TENCELâ„¢ Lyocell
Made from responsibly sourced wood pulp, TENCELâ„¢ lyocell gives our Cardio pieces the smooth feel and movement needed for higher output days.
- Best for
- Cardio & higher output
- Source
- Responsibly sourced wood pulp
- Certification
- TENCELâ„¢ by Lenzing
Products using TENCELâ„¢ Lyocell
what the research is finding
A short, sourced look at most activewear.
The research
We're not the only ones asking questions about what's in synthetic activewear. Here's some of the reporting that shaped how we build.
What to know about forever chemicals in workout wear
A look at the Texas investigation into a major activewear brand, and how concerned shoppers should actually be about PFAS in their own closets.
Read the article
Do your workout clothes contain endocrine disrupting microplastics?
Five experts in environmental health, plastic toxicity, and bioengineering weigh in on why synthetic activewear is the world's largest source of primary microplastics.
Read the article
Texas AG probes a major activewear brand over alleged forever chemicals
Reporting on the civil investigation into whether an activewear giant misled consumers about the presence of PFAS, including the company's on record denial.
Read the article
Is TENCEL an ethical, sustainable fabric?
A close look at how TENCEL lyocell is actually made, including its closed loop solvent process and sustainably sourced wood pulp.
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Thread carefully: your gym clothes could be leaching toxic chemicals
Reporting on the University of Birmingham research behind one of the stats above, on how sweat helps chemicals in synthetic fabric absorb through skin.
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Forever chemicals are still turning up in clothing worldwide
Independent testing across dozens of clothing samples found banned PFAS compounds still present at meaningful rates, with particular concern for children's garments.
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What a Texas investigation into activewear reveals about the industry
Regulators have opened a formal inquiry into whether a major activewear brand's products contain PFAS, despite the brand's denial. The case points to a wider gap between what fashion brands promise and what independent testing finds.
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Forever chemical levels are dropping where lawmakers have acted
Independent testing found PFAS levels in textiles sold in California and New York fell sharply after both states restricted the chemicals, evidence that change is possible once it's required rather than optional.
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The problem of forever chemicals and waterproof clothing
An investigation into how outdoor and activewear brands are actually progressing on PFAS phase outs, and which companies are still lagging behind their own public commitments.
Read the articleShop the fabrics
