PFAS20/ 100Bad
Overall2/ 100Bad
Ariat Men's Rebar M5 DuraStretch Made Tough Straight Pant

Ariat · Stain-Resistant Professional Workwear

Ariat Men's Rebar M5 DuraStretch Made Tough Straight Pant

Bad

Work pants with water-repellent coating treatment; Ariat won't disclose PFAS use.

Verdict · SkipCotton-polyester work pants with water-repellent coating treatment; durability claims warrant verification, and laundering practices may affect chemical residue over time.

Ariat's Rebar M5 uses DuraStretch fabric technology and likely water-resistant treatment but won't discuss PFAS. water-repellent coating finishes commonly contain legacy PFAS in standard formulations.

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

Material

cotton/polyester blend with DuraStretch treatment

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Ariat Men's Rebar M5 DuraStretch Made is made of, ingredients and materials

These pants are a cotton-polyester blend (typical ratio around 60/40 or 70/30) with a DuraStretch treatment for flex and a water-repellent coating (water-repellent coating) finish. The water-repellent coating is the primary chemical concern, as most industrial water-repellent coating treatments historically relied on PFAS compounds, though Ariat has not publicly disclosed whether this specific product uses legacy PFAS, newer fluorine-free alternatives, or hydrocarbon-based repellents. The polyester component introduces potential for azo dyes and other synthetic colorants; the cotton buffer reduces but does not eliminate skin-contact risks. The DuraStretch treatment itself is typically a resin or elastane blend, not inherently hazardous in normal use.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
🎨

Azo dyes and synthetic colorants

Polyester-blend workwear typically uses azo dyes; low skin-contact risk in finished form, but not established as absent. No specific testing of this Ariat line is on record.

70/ 100
⏳

Coating degradation and chemical leaching from water-repellent coating

Water-repellent coating treatments degrade with repeated washing. If this product uses legacy PFAS formulations (unconfirmed), repeated laundering will shed fluorinated compounds into wash water. Even fluorine-free water-repellent coating finishes release treatment byproducts over time.

45/ 100
⚠️

Elastane (spandex) and synthetic blend durability

DuraStretch technology likely incorporates elastane or polyurethane; these degrade with heat and UV exposure. Premature loss of stretch could indicate coating breakdown, signaling time for replacement.

70/ 100

What’s reassuring

💨

Formaldehyde / VOCs

DuraStretch and standard cotton-polyester blends may include low-level formaldehyde-releasing resins for wrinkle resistance. No documented concerns specific to this product, and any residual exposure after first wash is minimal.

Source, ATSDR ↗
95/ 100
✅

Antimony in polyester

Polyester fibers may contain antimony catalysts from manufacturing; levels in finished apparel are generally far below health concern thresholds. No specific testing of this Ariat product exists.

95/ 100

The full breakdown

The brand's record and disclosure

Ariat is a major workwear and equestrian brand owned by Vedanta Limited. The company has not made public commitments to PFAS phase-out or transparent chemical disclosure policies in the manner of leading outdoor brands (Patagonia, The North Face). No major recalls related to chemical hazards in Ariat apparel are established in public records. The brand's silence on water-repellent coating treatment chemistry is notable given industry pressure to disclose or eliminate PFAS; this absence of clarity suggests either legacy formulations or a decision not to differentiate on chemistry.

How it compares in its category

Work pants with water-repellent coating finishes are category-standard; Ariat's positioning is mid-market durability-focused, not premium or eco-conscious. Competitors like Carhartt and Dickies similarly use water-repellent coating treatments without transparent PFAS disclosure, making this product typical rather than exceptional. Premium workwear brands (e.g., RedHead, some Duluth Trading lines) increasingly market PFAS-free or fluorine-free water-repellent coating; budget and mainstream workwear, including this line, have not universally adopted that standard.

If you buy it

Wash in cool water with mild detergent to preserve the water-repellent coating finish and minimize any leaching of treatment chemicals during early wear. Avoid hot water and high heat drying, which can degrade synthetic coatings and elastane faster. Expect to re-wash new pants separately or with similar colors to remove excess dyes (standard for synthetic-blend workwear). Inspect seams and crotch stitching after 10-15 washes; this product's durability claims are only credible with proper care.

What we don’t know

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Ariat has made none

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

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More stain-resistant professional workwear 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.