Men's Modern Stretch Chino Pants vs Men's Straight Rotation Chino Pants: which is safer?

Old Navy Men's Straight Rotation Chino Pants is our pick: better on PFAS and on the overall hazard picture.

Calvin Klein

Men's Modern Stretch Chino Pants

PFAS grade

D 65/100

Overall grade

F 43/100

Verdict

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Hazard flags

⚑ 4

Material

cotton blend, stretch elastic (polyester/spandex)

Confidence

72%

PossibleAzo dyes and dye allergens

PossibleFormaldehyde-resin finishes

ReportedSpandex/elastane degradation under stress or heat

Why this grade

Our pick

Old Navy

Men's Straight Rotation Chino Pants

PFAS grade

D 65/100

Overall grade

F 49/100

Verdict

Skip

Hazard flags

⚑ 4

Material

cotton/cotton blend twill, no stated finish

Confidence

72%

PossibleAzo dyes (aromatic amines)

PossibleFormaldehyde in fabric finish

PossibleResidual pesticides (if non-organic cotton)

Why this 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 stain-resistant workwear: see the full ranking