News

Polyester is the most widely produced synthetic fiber in the world and the most studied for microplastic shedding. The research is not ambiguous. Here is what happens when you wear...

Nylon is plastic in fiber form. Every time you wear or wash nylon activewear, it sheds microplastic fibers. Here is what the research says, where those particles go, and what...

Bamboo activewear sounds natural. The manufacturing process tells a different story. Here is what actually happens between the bamboo plant and your leggings, and what to look for instead.

Recycled polyester is marketed as the sustainable activewear choice. On the microplastic shedding question, the research gives a clear answer that the marketing typically avoids.

Recycled polyester is marketed as the sustainable choice in activewear. The safety question is a different question from the sustainability one. Here is an honest answer to both.

Elastane is a synthetic fiber present in almost all activewear. Like other synthetic fibers, it sheds microplastic particles during washing. Here is what the research shows about the scale and...

Elastane and spandex appear on different labels for the same fiber. Here is the full explanation of what each term means, why both exist, and what it means for reading...

Spandex is in almost every pair of leggings. The health questions around it deserve a specific answer. Here is what the evidence actually shows, without overclaiming in either direction.

Elastane is in almost every pair of leggings. The health questions around it are worth asking properly. Here is an honest answer based on what the research actually shows.

Spandex is present in almost all fitted activewear, including natural fiber blends. How much is too much, and at what percentage does it become the primary concern? Here is a...

The label on your activewear contains useful information and significant gaps. Here is how to read what is there, understand what it means, and know what it is not telling...

A practical, item-by-item checklist for evaluating any activewear purchase against a real non-toxic standard. Not marketing language. Specific, verifiable criteria.