Could be cleaner — real concerns, but manageable if you can't swap.
4
out of 10
The why
On Cloudmonster — dual density Helion superfoam, 92% recycled content upper, no DWR. No waterproof treatment means no PFAS treatment concern on this specific model. Cleaner than most major running shoe brands.
What's in it
Helion foamrecycled meshTPUadhesives
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