Popular Activewear Brands Face Lawsuits Over Hormone-Disrupting Chemicals

Aug 10, 2026 · 4 min read

Popular Activewear Brands Face Lawsuits Over Hormone-Disrupting Chemicals

Recent lab testing by the Center for Environmental Health revealed the presence of BPA, a known hormone disruptor, in activewear from major brands. Thus, consumers should be aware of potential health risks associated with prolonged skin exposure to this chemical.

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Activewear and the Hidden Dangers of Chemical Exposure

Activewear has become a staple in many people's wardrobes, offering comfort, flexibility, and style. However, recent findings have raised concerns about the safety of popular activewear brands, with independent lab testing by the Center for Environmental Health (CEH) revealing the presence of Bisphenol A (BPA) in activewear from major brands like Nike, Alo Yoga, Athleta, and more. BPA, a well-known endocrine disruptor, mimics estrogen and interferes with the body's hormone system, leading to potential health issues.

Why This Matters

The presence of BPA in activewear is concerning because it can be absorbed through the skin, especially when sweating. This prolonged exposure could potentially lead to a variety of health issues. Understanding the risks and taking steps to mitigate them can help consumers make more informed decisions about their activewear choices.

Understanding BPA and Its Impact

Bisphenol A (BPA) is a chemical compound commonly used in the production of polycarbonate plastics and epoxy resins. In activewear, BPA is often found in polyester and spandex blends, which are popular for their elasticity and durability. However, it’s important to note that BPA acts as an endocrine disruptor, which means it can interfere with the body’s hormone system.

Health Risks

Exposure to BPA has been linked to a range of health issues, including:

  • Infertility: Studies have shown that BPA can affect reproductive health, leading to fertility problems.
  • Early Puberty: Hormone disruption can accelerate puberty in children, which has long-term developmental implications.
  • Metabolic Disruption: BPA can interfere with the body’s metabolism, leading to issues like weight gain and insulin resistance.
  • Breast Cancer: Some research suggests a link between BPA exposure and an increased risk of breast cancer.

The Lawsuit and Lab Testing

The CEH's findings were significant enough to prompt legal action. According to the lab testing, BPA was detected in 100% of polyester-spandex blends, with levels up to 22 times California’s Prop 65 safety threshold in sports bras and up to 40 times in leggings and shorts. This exceeds safe limits and raises serious concerns about consumer safety.

The Role of the Scout App

Given the potential risks, it’s crucial for consumers to have access to reliable information about the products they purchase. One such tool is the Scout app, which rates clothing based on sustainability and chemical leaching. By using the app, consumers can find products that are safer and more environmentally friendly.

How to Choose Safer Activewear

The discovery of BPA in activewear highlights the importance of making informed choices. Here are some practical tips for choosing safer activewear:

Look for Certifications

When shopping for activewear, look for certifications that indicate the product is free from harmful chemicals. Certifications such as OEKO-TEX, which tests for harmful substances, can provide peace of mind.

Opt for Natural Fibers

Where possible, choose activewear made from natural fibers like organic cotton, bamboo, or hemp. These materials are less likely to contain harmful chemicals and are often more sustainable.

Check Labels for Chemical Composition

Pay close attention to the fabric composition. Look for products that avoid synthetic blends with high polyester and spandex content, as these are more likely to contain BPA.

Use the Scout App

Tools like the Scout app can be invaluable. By using the app, you can quickly identify products that are rated high for sustainability and low chemical leaching.

Consider Sustainable Brands

Some brands are known for their commitment to sustainability and safe manufacturing practices. Brands like Harvest & Mill, which scored a perfect 100/100 on the Scout app, are worth considering. Opting for these brands can help ensure that you’re investing in safer, more sustainable activewear.

Important Takeaways

  • BPA is a real concern: The presence of BPA in activewear is a significant issue, and consumers should be aware of the potential risks.
  • Know your labels: Understanding the fabric composition and looking for certifications can help you make safer choices.
  • Use technology to your advantage: Apps like Scout can provide valuable information about the safety and sustainability of activewear.
  • Support sustainable brands: Choosing brands that prioritize sustainability and safety can help reduce exposure to harmful chemicals.

Conclusion

The discovery of BPA in popular activewear brands is a wake-up call for consumers and manufacturers alike. By staying informed and making conscious choices, consumers can mitigate their exposure to harmful chemicals. Tools like the Scout app and a focus on natural, sustainable materials can help ensure that activewear remains a healthy and beneficial part of your wardrobe. Stay vigilant and prioritize your health when choosing your next activewear purchase.

Summary

Key points

  • Recent lab testing by the CEH found Bisphenol A (BPA), an endocrine disruptor, in activewear from major brands like Nike, Alo Yoga, and Athleta.
  • BPA can be absorbed through the skin, especially when sweating, which may lead to a variety of health issues.
  • Exposure to BPA has been linked to infertility, early puberty, metabolic disruption, and an increased risk of breast cancer.
  • Lab testing detected BPA in 100% of polyester-spandex blends, with levels significantly exceeding California’s Prop 65 safety threshold in some cases.
Answers

FAQ

BPA, or Bisphenol A, is a chemical used in the production of certain plastics and resins. It is harmful in activewear because it can disrupt the body's hormone system, mimicking estrogen and leading to potential health issues. Prolonged skin exposure, especially during exercise, can cause the chemical to be absorbed into the body.

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