Do Mephisto waterproof boots have PFAS?
Mephisto waterproof boots average 31 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Mephisto waterproof boots graded as of October 2026, above the 20 out of 100 median for the 22 other waterproof boots brands graded alongside it.
Mephisto waterproof boots average Poor on our four-band scale. None of them clear our buy threshold.
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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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- 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, all on its full breakdown.
Which Mephisto waterproof boots contain PFAS? Poor and Bad, we’d swap these
- leather, textile, rubber sole
- We found no PFAS statement from the brand
- Volatile organic compounds (VOC) off-gassing from adhesives. Leather sneakers use glues to bond upper to sole…
- Leather with unspecified waterproofing treatment
- We found no PFAS statement from the brand
- PFAS. Mephisto does not disclose the waterproofing method applied to the Leonardo. Industry standard for…
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nubuck leather with Gore-Tex waterproof membrane
- We found no PFAS statement from the brand
- PFAS. Gore-Tex historically used perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS)…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Leather upper with waterproof treatment, rubber sole
- We found no PFAS statement from the brand
- PFAS. Waterproof treatment on leather is unspecified by brand; conventional hydrophobic finishes on boots at…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonBetter waterproof boots from other brands
Graded higher than the Mephisto average of 31.
- Leather/nubuck upper, synthetic/rubber sole, no coating disclosed
- We found no PFAS statement from the brand
- Azo dyes (leather/textile coloring)
4 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonThe same question, asked of the other waterproof boots brands
Best average grade first. Mephisto averages 31.
See every Mephisto product we grade on the Mephisto brand page, or the full waterproof boots ranking.