TX5 GTX Men's vs Women's Moab 3 Mid Waterproof: which is safer?
La Sportiva TX5 GTX Men's is our pick: better on PFAS and on the overall hazard picture.
Our pick
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
Merrell
Women's Moab 3 Mid Waterproof
PFAS grade
F 20/100
Overall grade
F 0/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Nubuck leather upper, unspecified waterproof coating
Confidence
45%
PossibleWaterproof coating chemistry (unspecified)
PossibleAdhesives and synthetic components
LikelyCoating degradation over time
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