Women's Newton Ridge Plus Waterproof Hiking vs Men Mephisto Curt Mt SNEAKER: which is safer?

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

Columbia Women's Newton Ridge Plus Waterproof Hiking

Columbia

Women's Newton Ridge Plus Waterproof Hiking

PFAS grade

Bad 20/100

Overall grade

Bad 0/100

Verdict

Skip

Hazard flags

⚑ 4

Material

leather upper with waterproof coating

Confidence

45%

PossibleFormaldehyde resins in leather finish or dyes

ReportedCoating degradation and reapplication residue

PossibleChromium in leather tanning

Our pick

Men Mephisto Curt Mt SNEAKER

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

Where these two actually differ

  • We flag Formaldehyde resins in leather finish or dyes, Coating degradation and reapplication residue, Chromium in leather tanning and Adhesive and glue off-gassing on the Columbia and not on the Mephisto.
  • We flag Volatile organic compounds (VOC) off-gassing from adhesives on the Mephisto and not on the Columbia.
  • The Columbia is leather upper with waterproof coating where the Mephisto is leather, textile, 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