ACG Pegasus Trail Running Shoes vs Men's SFB Air Field Ukiah R GTX: which is safer?

Nike Men's SFB Air Field Ukiah R GTX is our pick: better on PFAS and on the overall hazard picture.

Nike

ACG Pegasus Trail Running Shoes

PFAS grade

F 20/100

Overall grade

F 0/100

Verdict

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Hazard flags

⚑ 3

Material

Mesh, synthetic leather, foam midsole with water-repellent coating

Confidence

45%

PossibleAntimony in polyester fibers

PossibleFoam midsole degradation and microparticle shedding

Likelywater-repellent coating-related PFAS exposure (classified separately per your brief)

Why this grade

Our pick

Nike

Men's SFB Air Field Ukiah R GTX

PFAS grade

F 20/100

Overall grade

F 12/100

Verdict

Skip

Hazard flags

⚑ 2

Material

Textile upper with GTX waterproof membrane

Confidence

45%

PossibleFluorochemicals in GTX waterproof membrane

PossibleCoating degradation releasing particles

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 hiking shoes & trail runners: see the full ranking