All Day Crew Tee Women vs Women's Chill Knit Mid-Rise Ribbed Tights: which is safer?

Cotton On All Day Crew Tee Women is our pick, better on PFAS and on the overall hazard picture.

Our pick

Cotton On All Day Crew Tee Women

Cotton On

All Day Crew Tee Women

PFAS grade

Good 65/100

Overall grade

Good 57/100

Verdict

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Hazard flags

⚑ 2

Material

cotton

Confidence

78%

PossibleAzo dyes and azo metabolites

PossibleHeavy metals in synthetic dyes (lead, cadmium, chromium)

Nike Women's Chill Knit Mid-Rise Ribbed Tights

Nike

Women's Chill Knit Mid-Rise Ribbed Tights

PFAS grade

Good 65/100

Overall grade

Poor 39/100

Verdict

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Hazard flags

⚑ 5

Material

Nylon/polyester knit blend, no waterproofing or coating disclosed

Confidence

72%

PossibleFormaldehyde resins (finish and dye-setting)

PossibleAzo dyes and heavy metal dye contaminants

ReportedMicrofibre shedding (synthetic textile degradation)

Where these two actually differ

  • We flag Azo dyes and azo metabolites and Heavy metals in synthetic dyes (lead, cadmium, chromium) on the Cotton On and not on the Nike.
  • We flag Formaldehyde resins (finish and dye-setting), Azo dyes and heavy metal dye contaminants, Microfibre shedding (synthetic textile degradation) and Antimony in polyester on the Nike and not on the Cotton On.
  • The Cotton On is cotton where the Nike is Nylon/polyester knit blend, no waterproofing or coating disclosed, 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, which covers 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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