Women's Air Tech Performance Brief Panties 6-Pack vs Men's 3-Pack Performance Cotton Boxerjock: which is safer?

These two grade almost identically. Pick on price and preference; neither has a PFAS edge.

Reebok

Women's Air Tech Performance Brief Panties 6-Pack

PFAS grade

D 65/100

Overall grade

F 53/100

Verdict

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Hazard flags

⚑ 3

Material

nylon, spandex, cotton blend

Confidence

72%

PossibleFormaldehyde resins in fabric finishing

PossibleAzo dyes

PossibleElastomer degradation (spandex breakdown)

Why this grade

Under Armour

Men's 3-Pack Performance Cotton Boxerjock

PFAS grade

D 65/100

Overall grade

F 53/100

Verdict

Skip

Hazard flags

⚑ 3

Material

Cotton blend with elastane

Confidence

78%

PossibleAzo dyes and heavy metals in dye pigments

PossibleElastane (spandex) degradation and dermal irritation

PossibleMicroplastic shedding during washing

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 waterproof sports & performance undergarments: see the full ranking