TX5 GTX Men's 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.
La Sportiva
TX5 GTX Men's
PFAS grade
F 20/100
Overall grade
F 8/100
Verdict
Skip
Hazard flags
⚑ 3
Material
synthetic textile with Gore-Tex membrane waterproof layer
Confidence
45%
PossibleAzo dyes
PossibleFormaldehyde-releasing resins in finishing
PossibleAntimony in polyester
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