Could be cleaner — real concerns, but manageable if you can't swap.
4
out of 10
The why
Mack Weldon — silver-ion antimicrobial treatment on 18-Hour Jersey line + nylon/spandex construction. Silver nanoparticles are endocrine disruptors and leach into waterways. No OEKO-TEX certification.
What's in it
Mack Weldon Silvernylonspandexsynthetic dyes
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