Women's Bottom Turn Racerback Bikini Top vs Women's Stripe Bikini Top: which is safer?

Patagonia Women's Bottom Turn Racerback Bikini Top is the clear pick. Tommy Hilfiger Women's Stripe Bikini Top carries a failing PFAS grade, and we never recommend buying a failing product.

Our pick

Patagonia Women's Bottom Turn Racerback Bikini Top

Patagonia

Women's Bottom Turn Racerback Bikini Top

PFAS grade

Excellent 90/100

Overall grade

Excellent 86/100

Verdict

Buy

Hazard flags

⚑ 1

Material

Nylon/polyester blend with elastane (standard swimwear)

Confidence

72%

PossibleElastane (spandex) degradation under heat or chlorine

Tommy Hilfiger Women's Stripe Bikini Top

Tommy Hilfiger

Women's Stripe Bikini Top

PFAS grade

Good 65/100

Overall grade

Poor 49/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Nylon/polyamide blend (typical for swimwear)

Confidence

72%

PossibleAzo dyes

PossibleSpandex/elastic degradation and leaching

PossibleDye transfer and skin sensitivity

Where these two actually differ

  • We flag Elastane (spandex) degradation under heat or chlorine on the Patagonia and not on the Tommy Hilfiger.
  • We flag Azo dyes, Spandex/elastic degradation and leaching, Dye transfer and skin sensitivity and Microplastics shedding on the Tommy Hilfiger and not on the Patagonia.
  • The Patagonia is Nylon/polyester blend with elastane (standard swimwear) where the Tommy Hilfiger is Nylon/polyamide blend (typical for swimwear), which is most of the difference in these two grades.
  • The gap is 25 points, wide enough that this is not a close call, and the Patagonia is the one to buy.

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 →

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