Men Mephisto Curt Mt SNEAKER vs Men's Leonardo Boot: which is safer?
Men Mephisto Curt Mt SNEAKER is our pick: better on PFAS and on the overall hazard picture.
Our pick
Mephisto
Men Mephisto Curt Mt SNEAKER
PFAS grade
Good 65/100
Overall grade
Good 59/100
Verdict
Skip
Hazard flags
⚑ 1
Material
leather, textile, rubber sole
Confidence
55%
PossibleVolatile organic compounds (VOC) off-gassing from adhesives
Mephisto
Men's Leonardo Boot
PFAS grade
Bad 20/100
Overall grade
Bad 0/100
Verdict
Skip
Hazard flags
⚑ 4
Material
Leather upper with waterproof treatment, rubber sole
Confidence
35%
LikelyPFAS in waterproof coating
PossibleFormaldehyde in leather tanning and finishing
PossibleAzo dyes and heavy metals in leather color
Where these two actually differ
- We flag Volatile organic compounds (VOC) off-gassing from adhesives on the Mephisto and not on the Mephisto.
- We flag PFAS in waterproof coating, Formaldehyde in leather tanning and finishing, Azo dyes and heavy metals in leather color and Allergens in leather finish and adhesives on the Mephisto and not on the Mephisto.
- The Mephisto is leather, textile, rubber sole where the Mephisto is Leather upper with waterproof treatment, rubber sole, which is most of the difference in these two grades.
- The gap is 45 points, wide enough that this is not a close call, and the Mephisto is the one to buy.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More waterproof boots: see the full ranking