Java Bikini Top Women's vs Women's Bottom Turn Racerback Bikini Top: which is safer?
Patagonia Women's Bottom Turn Racerback Bikini Top is the clear pick. MIKOH Java Bikini Top Women's carries a failing PFAS grade, and we never recommend buying a failing product.
Mikoh
Java Bikini Top Women's
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleAntimony in polyester
ReportedDegradation and microplastic shedding
PossibleSkin sensitization from dyes or finish residues
Our pick
Patagonia
Women's Bottom Turn Racerback Bikini Top
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleElastane (spandex) degradation under heat or chlorine
Where these two actually differ
- We flag Antimony in polyester, Degradation and microplastic shedding and Skin sensitization from dyes or finish residues on the Mikoh and not on the Patagonia.
- We flag Elastane (spandex) degradation under heat or chlorine on the Patagonia and not on the Mikoh.
- The Mikoh is nylon/polyester blend with durable water repellent (DWR) treatment where the Patagonia is Nylon/polyester blend with elastane (standard swimwear), which is most of the difference in these two grades.
- The gap is 70 points, wide enough that this is not a close call, and the Patagonia is the one to buy.
- We are less certain about the Mikoh grade, at 45% confidence against 72%, because it discloses less.
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 swimwear: see the full ranking