Men's Moab 3 vs Men's Moab 3 Mid Waterproof: which is safer?
Merrell Men's Moab 3 Mid Waterproof is our pick: better on PFAS and on the overall hazard picture.
Merrell
Men's Moab 3
PFAS grade
F 20/100
Overall grade
F 0/100
Verdict
Skip
Hazard flags
⚑ 4
Material
Mesh/synthetic leather upper with water-repellent coating-treated footwear
Confidence
45%
LikelyPFAS in water-resistant (water-repellent coating) coating
PossibleSynthetic leather off-gassing (VOCs) and degradation
PossibleRubber midsole and outsole degradation (microplastics)
Our pick
Merrell
Men's Moab 3 Mid Waterproof
PFAS grade
F 20/100
Overall grade
F 16/100
Verdict
Skip
Hazard flags
⚑ 1
Material
Leather upper, synthetic lining, water-repellent coating-treated waterproof membrane
Confidence
45%
Possiblewater-repellent coating chemistry (PFAS or alternative)
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