Carhartt · Waterproof Outdoor Accessories
Carhartt Men's Loose Fit Heavyweight Storm Defender Jacket
water-repellent coating apparel; PFAS risk unknown. Carhartt provides no transparency.
This jacket uses a water-repellent coating water-repellent finish typical of work apparel, but Carhartt does not disclose whether PFAS-based or PFAS-free treatments were used. No independent verification available.
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Material
Cotton/polyester blend with water-repellent coating (water-repellent coating) finish
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
clothing is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
This jacket is a cotton-polyester blend (typical 60/40 or similar ratio) with a water-repellent coating (water-repellent coating) finish applied to the outer surface. The water-repellent coating treatment is the critical unknown: modern water-repellent coating coatings on workwear often use fluorinated compounds (PFAS-based) to repel water, though some brands have shifted to non-fluorinated alternatives. The polyester component itself is chemically stable when worn; the blend choice provides durability and breathability rather than chemical risk per se.
The brand's record and disclosure
Carhartt has not publicly disclosed the specific water-repellent coating chemistry used in this product or committed to PFAS-free alternatives. The brand maintains no published chemical policy or third-party certifications (e.g., Bluesign, GOTS) that would signal transparency on treatment chemicals. For a heritage workwear company, this silence is notable given that competitors like Patagonia and some European brands now advertise PFAS-free water repellency.
How it compares in its category
Heavy workwear jackets with water-repellent coating finish occupy a middle ground on disclosure: technical outerwear brands vary widely, from Patagonia (PFAS-free claimed) to mainstream brands (silent). Carhartt's positioning as rugged workwear does not excuse lack of chemical transparency, though functional durability is excellent. If PFAS risk is your primary concern, brands explicitly certifying non-fluorinated water-repellent coating are safer choices; if durability and cost matter more, this product is competitive but opaque.
If you buy it
Wash in cool water and dry gently to preserve the water-repellent coating finish without accelerating degradation. Do not expose to high heat (avoid machine dryers; air dry instead), as heat can degrade the coating and potentially release volatile compounds. Expect to re-treat the jacket with an aftermarket water-repellent coating product every 1-2 years as the finish wears; use low-PFAS or PFAS-free reapplication products (widely available). If heavy exposure to water-repellent fabrics concerns you, seek brands with certified PFAS-free finishes.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
water-repellent coating (water repellent) coating chemicals
Carhartt does not disclose whether the water-repellent coating finish is fluorinated (PFAS-based) or non-fluorinated. PFAS-based water-repellent coating on apparel is graded separately (20/100), but the lack of transparency is itself a safety governance issue.
Azo dyes
No recalls or public warnings of restricted azo dyes in Carhartt heavy cotton-blend apparel. The brand is not known for problematic dye practices, and heavy workwear typically uses standard, regulated dyes.
Formaldehyde resins in fabric finishing
No documented use of formaldehyde-releasing finishes in Carhartt's standard heavy workwear. The water-repellent coating finish is the primary chemical treatment; formaldehyde is not typically part of modern water-repellent systems.
Antimony in polyester
Antimony trioxide is used as a catalyst in some polyester production but is not typically a health hazard in finished fabric. Carhartt's polyester supplier is not documented to have antimony concerns.
Flame retardant chemicals
This is a non-performance apparel item (not sleepwear, not specified as flame-resistant). No added flame retardants are documented or expected.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 35% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
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Ultra-Sil nylon fabric, no water treatment applied
Stuff sack with no waterproofing treatment.
⚠Risky category by default
Sea to Summit
Ultra-Sil Pack Cover
nylon with silicone water-repellent coating
PFC-free claim stated. No independent verification available yet.
⚠Waterproof or stain-proof treatment
More waterproof outdoor accessories 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.