Women's Air Tech Performance Brief Panties 6-Pack vs Women's Seamless Hipster: which is safer?
Reebok Women's Seamless Hipster is our pick: better on PFAS and on the overall hazard picture.
Reebok
Women's Air Tech Performance Brief Panties 6-Pack
PFAS grade
D 65/100
Overall grade
F 53/100
Verdict
Skip
Hazard flags
⚑ 3
Material
nylon, spandex, cotton blend
Confidence
72%
PossibleFormaldehyde resins in fabric finishing
PossibleAzo dyes
PossibleElastomer degradation (spandex breakdown)
Our pick
Reebok
Women's Seamless Hipster
PFAS grade
D 65/100
Overall grade
F 59/100
Verdict
Skip
Hazard flags
⚑ 1
Material
nylon/elastane blend, seamless knit
Confidence
72%
PossibleElastane degradation and skin contact
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