Danner Review, Is Danner Non-Toxic?
Danner averages 20 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Danner products graded as of October 2026, and none of them reach its 70 point pass mark.
Danner grades Bad on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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- polypropylene filter housing, carbon/sediment cartridge
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- Bacterial growth in spent cartridges
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Aquasure
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- RO membrane, carbon filters, stainless steel housing
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- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product. See all of them.
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Danner
Men's Mountain Light
- leather upper, water-repellent coating-treated fabric/suede
- We found no PFAS statement from the brand
- PFAS, Historical industry standard for water repellency on footwear; Danner provides no disclosure or…
4 hazards checked on this product. See all of them.
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Men's Mountain Pass
- leather/nubuck upper with waterproof treatment, rubber sole
- We found no PFAS statement from the brand
- Heavy metals, Conventional leather tanning often uses hexavalent chromium salts; Danner does not publicly…
5 hazards checked on this product. See all of them.
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Men's Free Spirit
- leather, nylon, rubber sole with water-repellent coating treatment
- We found no PFAS statement from the brand
- PFAS, Danner has not disclosed the chemistry of the water-repellent coating applied to nylon panels and…
3 hazards checked on this product. See all of them.
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Men's Traverser 600
- Leather upper, rubber sole, water-repellent treatment
- We found no PFAS statement from the brand
- Water-repellent coating chemistry (undisclosed), Danner has not disclosed whether this boot uses PFAS-based…
2 hazards checked on this product. See all of them.
Find an alternative on AmazonDanner and PFAS, common questions
- Does Danner have PFAS?
- Danner averages 20 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Danner products graded as of October 2026, and none of them reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Danner non-toxic?
- No Danner product we graded reaches Good. The best of them is Danner Men's Mountain Light at 20/100.
- Which Danner products should I avoid?
- The lowest-graded Danner products we have scored are Danner Men's Traverser 600, Danner Men's Free Spirit, Danner Men's Mountain Pass. Each one links to the evidence behind its grade.
Every grade uses the same public rubric. How grades work →