PowerStep Pinnacle High Insoles vs Powerstep SlimTech 3/4: which is safer?

PowerStep Pinnacle High Insoles is our pick: better on PFAS and on the overall hazard picture.

Our pick

Pinnacle

PowerStep Pinnacle High Insoles

PFAS grade

D 65/100

Overall grade

F 53/100

Verdict

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Hazard flags

⚑ 3

Material

foam insole, likely EVA or polyurethane core

Confidence

62%

PossibleMicroplastics from foam degradation

PossibleUnreacted isocyanates in polyurethane (if polyurethane core)

PossibleMoisture and bacterial growth in insole

Why this grade

Pinnacle

Powerstep SlimTech 3/4

PFAS grade

D 65/100

Overall grade

F 49/100

Verdict

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Hazard flags

⚑ 4

Material

Foam/cushioning insole with fabric cover

Confidence

68%

PossibleVOC off-gassing from polyurethane or EVA foam

PossibleAzo dye or residual dye migration from fabric cover

PossibleAntimony residue in polyester fabric (if present)

Why this grade

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 synthetic athletic insoles: see the full ranking