Darn Tough · Waterproof Hiking Socks
Darn Tough Men's Weird and Wild Hiking 2-Pack
Lower concern. Natural-fiber hiking socks unlikely to require PFAS. No public disclosure from Darn Tough.
Darn Tough's wool hiking socks are primarily merino wool with synthetic reinforcement, materials not typically associated with intentional PFAS use. The brand makes no public claims about PFAS avoidance.
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Material
merino wool blend, nylon
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Darn Tough has made none
Formulations change between production runs, so check the current label. How we grade.
More waterproof hiking socks grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.