Always In Motion Boxer Brief 3" 5 Pack vs Women's Air Tech Performance Brief Panties 6-Pack: which is safer?
Reebok Women's Air Tech Performance Brief Panties 6-Pack is our pick: better on PFAS and on the overall hazard picture.
Lululemon
Always In Motion Boxer Brief 3" 5 Pack
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleAntimony in polyester/nylon
ReportedMicroplastic shedding from synthetic fibers
PossibleElastane (spandex) degradation and chemical leaching
Our pick
Reebok
Women's Air Tech Performance Brief Panties 6-Pack
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleFormaldehyde resins in fabric finishing
PossibleAzo dyes
PossibleElastomer degradation (spandex breakdown)
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