Men's Adrenaline GTS 25 vs Active Full Insole: which is safer?
Active Full Insole is our pick: better on PFAS and on the overall hazard picture.
Brooks
Men's Adrenaline GTS 25
PFAS grade
F 20/100
Overall grade
F 0/100
Verdict
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Hazard flags
⚑ 2
Material
mesh textile upper, foam midsole, rubber outsole with water-repellent coating treatment
Confidence
55%
LikelyPFAS in water-repellent coating
PossiblePolyurethane midsole off-gassing
Our pick
Vionic
Active Full Insole
PFAS grade
D 65/100
Overall grade
F 31/100
Verdict
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Hazard flags
⚑ 5
Material
Foam cushioning, textile upper
Confidence
72%
PossibleFormaldehyde resins in textile finishing
LikelyFoam degradation and microparticle shedding
PossibleAdhesive residues between foam and textile
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 athletic insoles & orthotics: see the full ranking