Men Mephisto Curt Mt SNEAKER vs Men's Terra GTX: which is safer?

Men Mephisto Curt Mt SNEAKER is our pick: better on PFAS and on the overall hazard picture.

Our pick

Men Mephisto Curt Mt SNEAKER

Mephisto

Men Mephisto Curt Mt SNEAKER

PFAS grade

Good 65/100

Overall grade

Good 59/100

Verdict

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Hazard flags

⚑ 1

Material

leather, textile, rubber sole

Confidence

55%

PossibleVolatile organic compounds (VOC) off-gassing from adhesives

Scarpa Men's Terra GTX

Scarpa

Men's Terra GTX

PFAS grade

Bad 20/100

Overall grade

Bad 2/100

Verdict

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Hazard flags

⚑ 3

Material

leather/textile upper, GTX membrane waterproof lining

Confidence

35%

PossibleFormaldehyde resins in leather tanning and finishing

PossibleTeflon-type coating fume risk from Gore-Tex membrane under high heat

ReportedCoating degradation and microfiber shedding during use

Where these two actually differ

  • We flag Volatile organic compounds (VOC) off-gassing from adhesives on the Mephisto and not on the Scarpa.
  • We flag Formaldehyde resins in leather tanning and finishing, PTFE fume risk from Gore-Tex membrane under high heat and Coating degradation and microfiber shedding during use on the Scarpa and not on the Mephisto.
  • The Mephisto is leather, textile, rubber sole where the Scarpa is leather/textile upper, GTX membrane waterproof lining, 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