Arc'teryx · Synthetic Athletic Wear
Arc'teryx Men's Atom SL Lightweight Hoodie
Unknown water-repellent coating treatment, Arc'teryx silent on PFAS, skip if concerned.
Atom SL uses water-repellent coating on polyester, standard for technical apparel. Arc'teryx discloses no PFAS stance; legacy products often used fluorocarbon water-repellent coating.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Polyester with water-repellent coating water-repellent finish
Lab data
No public lab test
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What Arc'teryx Men's Atom SL Lightweight Hoodie is made of, ingredients and materials
The Atom SL is 100% polyester with a water-repellent coating (water-repellent coating) finish applied to the outer face. Polyester itself is chemically stable in normal wear and laundering, but the water-repellent coating treatment is the variable, most commercial water-repellent coating finishes historically relied on PFAS-based chemistry (perfluorocarbons), though some manufacturers have shifted to fluorine-free alternatives. Arc'teryx has not publicly specified which chemistry they use on this model, leaving the water-repellent coating composition unclear.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
water-repellent coating chemistry (fluorine-based or unknown)
Arc'teryx does not disclose whether the water-repellent coating treatment uses PFAS or fluorine-free chemistry. If PFAS-based, repeated laundering and body contact present low but non-zero exposure routes; fluorine-free water-repellent coating alternatives carry lower concern. This opacity is the primary chemical risk for this product.
Degradation of water-repellent coating finish releasing particles or residual chemicals
As the water-repellent coating degrades over time (especially with heat or aggressive washing), microparticles or residual finish chemistry may shed. Risk is low but higher if water-repellent coating is PFAS-based. Proper cool-water laundering and avoidance of heat drying reduce this risk.
What’s reassuring
Formaldehyde / VOCs
No published recalls or warnings for formaldehyde in Arc'teryx polyester apparel. Modern polyester finishing typically avoids heavy formaldehyde use, though trace residuals from manufacture may occur. Not a documented concern for this brand or product line.
Source, ATSDR ↗Azo dyes (synthetic dyes)
Polyester apparel from established outdoor brands like Arc'teryx rarely uses banned azo dyes (which can release carcinogenic amines). No warnings on record for this product. Standard industry compliance is expected.
Antimony in polyester
Antimony is sometimes used as a polyester catalyst in synthesis. Arc'teryx does not disclose antimony levels, but finished garment migration into skin is minimal and not a documented health concern for polyester apparel. No recalls or warnings for this product.
How is this PFAS grade calculated?
The brand's record and disclosure
Arc'teryx is owned by Salomon (Amer Sports) and does not publish detailed chemical disclosures or PFAS commitment statements comparable to Patagonia or The North Face's public pledges. The brand has not been subject to major apparel safety recalls in recent years. Their silence on water-repellent coating treatment chemistry is typical of mid-market outdoor brands, though transparency has become a competitive expectation in this category over the past five years.
How it compares in its category
Lightweight synthetic insulation hoodies occupy a crowded market. Competitors like Patagonia Nano Puff and The North Face ThermoBall now disclose fluorine-free water-repellent coating options; Arc'teryx's lack of such labeling positions it as less transparent by current standards. Quality and durability of the garment itself are well-regarded, but chemical transparency has become a differentiation factor among premium outdoor brands.
If you buy it
Wash in cool to warm water (under 40°C) with mild detergent; avoid fabric softeners and high heat dryers, which can degrade the water-repellent coating finish and potentially mobilize residual chemicals. Expect the water-repellent coating to degrade after 30-50 washes; it can be re-applied with commercial products or professional service. If PFAS exposure is a personal concern, contact Arc'teryx directly to confirm water-repellent coating chemistry before purchase, as this information is not publicly available.
What is not known about PFAS in this product?
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Arc'teryx has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Arc'teryx Men's Atom SL Lightweight Hoodie?
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- Antimony in polyester
2 hazards checked on this product, all on its full breakdown.
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- polyester blend knit
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- Antimony in polyester
3 hazards checked on this product, all on its full breakdown.
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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.