PFAS65/ 100Good
Overall49/ 100Poor
Wrangler Men's Flex Work Jean

Wrangler · Stain-Resistant Jeans

Wrangler Men's Flex Work Jean

Good

Lower PFAS concern for basic denim workwear without water-repellent coating.

Verdict: Skip100% cotton denim with modest stretch; no major chemical flags in workwear class; lower PFAS risk supports safe everyday use.

These work jeans are constructed from cotton with stretch fibers, not treated with water-repellent or stain-resistant finishes that typically require PFAS. Wrangler makes no public PFAS claims. Standard work denim carries lower risk than outdoor gear with water-repellent coating.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

100% cotton denim with flex stretch technology

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Category baseline

PFAS exposure happens more often with clothing products.

70/ 100
♾️

No PFAS disclosure

The company has not publicly discussed PFAS in this product.

85/ 100
🎨

Azo dyes and synthetic indigo

Standard indigo dyeing in denim can involve azo dyes that release aromatic amines under stress or sweat; risk is low with good washing but inherent to the dyeing method. No specific issue reported for Wrangler Flex Work, but brand does not disclose dye chemistry or restricted substance compliance.

70/ 100
💨

Formaldehyde / VOCs

Cotton finishes (wrinkle resistance, shrinkage control) commonly use formaldehyde-releasing resins. Wrangler does not advertise low-formaldehyde protocols. Off-gassing is typically minimal after first few washes but may be higher in new fabric.

Source: ATSDR
70/ 100

Elastane/polyurethane degradation over time

Stretch fibers break down with repeated washing and UV exposure, releasing microplastics and potentially unreacted monomers. This is a known issue in all stretch denim; Wrangler does not disclose fiber source or manufacturing controls to minimize this.

70/ 100
⚠️

Allergic reaction to dyes or finishes

Individuals with sensitive skin may react to residual dye or finish chemicals, particularly in areas of friction (waistband, seams). Prewashing in plain water and checking for skin irritation on first wear mitigates this low-probability but individual-specific risk.

70/ 100

What’s reassuring

Safe base material

Made from ceramic, mineral, or natural fiber with no PFAS risk.

100/ 100
⛏️

Heavy metals

Indigo dyeing can involve copper or chromium mordants in some mills. No public record of Wrangler Flex Work testing positive for excess heavy metals, and indigo itself is plant-derived though synthesis uses chemical steps.

Source: FDA
95/ 100

The full breakdown

What it's made of and why it matters

Wrangler Flex Work Jeans are 100% cotton denim with elastane or polyurethane stretch fibers woven in for movement. Cotton itself is a relatively inert fiber when grown and processed through standard methods, though conventional cotton farming uses pesticides. The 'flex' component adds synthetic stretch, which is chemically stable in finished fabric and poses minimal leaching risk during normal wear or washing.

The brand's record and disclosure

Wrangler (owned by Kontoor Brands) has not made prominent public commitments to eliminating hazardous dyes or finishes beyond industry baseline compliance. The brand does not widely advertise third-party certifications like GOTS (Organic) or Bluesign for this workwear line. No major recalls or chemical safety controversies have been documented for Wrangler jeans in public databases. Standard cotton denim undergoes indigo dyeing and finishing; Wrangler does not disclose supplier audits for this specific product.

How it compares in its category

Stain-resistant denim typically triggers PFAS concern due to water-repellent coating (water-repellent coating) coatings, but the PFAS grade provided (65/100) indicates Wrangler's Flex Work line avoids heavy PFAS loads common in premium outdoor denim. Most work jeans in this price tier use azo dyes and standard finishes without special stain treatments, placing Wrangler in the mid-safety range. Certified organic or Bluesign-compliant alternatives exist but command higher cost and may not offer the same stretch durability.

If you buy it

Wash in cool water and mild detergent to preserve dye stability and stretch fibers; avoid high heat (dryer on medium or air dry preferred). Inspect seams and reinforced areas after 50+ washes for fraying or coating breakdown, which is normal. Do not bleach, as this can degrade cotton and any residual chemical finishes. Replace when crotch seams fail or fabric thins, typically after 1-2 years of heavy work use; do not rely on appearance alone.

What we don’t know

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Wrangler has made none

Formulations change between production runs, so check the current label. How we grade.

More stain-resistant jeans grades

How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.