Women's Breathe Bikini by Gap vs Women's Quarter Crew Socks (6 Pairs): which is safer?
These two grade almost identically. Pick on price and preference; neither has a PFAS edge.
Gap
Women's Breathe Bikini by Gap
PFAS grade
Good 65/100
Overall grade
Poor 47/100
Verdict
Skip
Hazard flags
⚑ 3
Material
nylon/elastane blend, no evident water-resistant treatment
Confidence
72%
PossibleFormaldehyde resins (dye fixatives and finish treatments)
PossibleAzo dyes and colorant toxicity
ReportedMicrofiber shedding from synthetic fibers
Puma
Women's Quarter Crew Socks (6 Pairs)
PFAS grade
Good 65/100
Overall grade
Poor 47/100
Verdict
Skip
Hazard flags
⚑ 3
Material
Cotton/polyester blend socks, no waterproofing
Confidence
82%
PossibleAzo dyes
PossibleFormaldehyde resins (finishing agents)
ReportedMicroplastic shedding
Where these two actually differ
- We flag Formaldehyde resins (dye fixatives and finish treatments), Azo dyes and colorant toxicity and Microfiber shedding from synthetic fibers on the Gap and not on the Puma.
- We flag Azo dyes, Formaldehyde resins (finishing agents) and Microplastic shedding on the Puma and not on the Gap.
- The Gap is nylon/elastane blend, no evident water-resistant treatment where the Puma is Cotton/polyester blend socks, no waterproofing, which is most of the difference in these two grades.
- These two are level, close enough that price and fit should decide it rather than our 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 sports performance undergarments: see the full ranking