Rapha Men's Core Rain Jacket
water-repellent coating composition unspecified; PFAS risk unclear without brand disclosure.
Rapha does not publicly disclose the water-repellent coating treatment chemistry on this rain jacket. Standard water-repellent coating finishes often contain PFAS, but Rapha's specific formulation remains undisclosed.
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Material
Synthetic nylon blend with water-repellent coating water-repellent coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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What Rapha Men's Core Rain Jacket is made of, ingredients and materials
The Rapha Core Rain Jacket is constructed from a synthetic nylon blend, a petroleum-derived polymer that is inherently durable and water-resistant when tightly woven. The critical component is the water-repellent coating (water-repellent coating) finish applied to the outer surface, which creates the water-beading effect but composition is unspecified by Rapha. Nylon itself does not leach known endocrine disruptors under normal wear, but the coating's chemical identity determines whether persistent or bioaccumulative compounds are present against skin and in manufacturing runoff.
What’s concerning
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
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.
PFAS
Rapha does not disclose whether the water-repellent coating uses fluorocarbon-free silicone, polyether, or wax-based chemistry. Undisclosed coatings may include heavy metals (antimony as polymerization catalyst in polyester-blended fabrics) or volatile organic compounds (VOCs) released during manufacturing or early wear; risk is unquantifiable without brand testing data.
Source, ATSDR ↗Coating degradation and microfiber shedding
Repeated washing and UV exposure break down synthetic water-repellent coating coatings and can cause microscopic fragments of nylon fiber to shed into wash water and eventually waterways. If the water-repellent coating contains unrevealed chemical additives, degraded coating particles may carry those compounds; frequency and scale depend on care practices.
What’s reassuring
Azo dyes and synthetic colorants
Nylon fabric dyeing can involve azo dyes, some of which break down to carcinogenic amines, but no recalls or reported issues specific to Rapha colorants are documented. Premium cycling apparel typically uses regulated dyes in EU/NA manufacturing, and nylon is a stable substrate that does not readily leach dyes into sweat under normal conditions.
Formaldehyde / VOCs
Nylon does not inherently require formaldehyde-releasing resins for crease-setting or shrinkage control as cotton or wool do. No formaldehyde hazard is documented for synthetic nylon rain jackets, and Rapha's garments show no evidence of stiff finishing resins that would indicate such treatment.
Source, ATSDR ↗Antimony in polyester-nylon blends
If the nylon is blended with polyester for durability, polyester manufacturing sometimes uses antimony trioxide as a catalyst. Antimony is a trace heavy metal that does not migrate through intact fabric to skin under normal wear. No specific antimony contamination has been reported in Rapha products.
The full breakdown
The brand's record and disclosure
Rapha is a premium cycling apparel brand owned by Ineos, with no publicly available transparency statements regarding the specific water-repellent coating chemistry, flame retardant additives, or dye-fixing agents used in production. The brand has not published chemical disclosure policies, third-party certifications (such as OEKO-TEX or bluesign), or responses to PFAS inquiries that are documented in independent databases. This silence on treatment composition is typical among direct-to-consumer athletic brands but limits informed assessment of non-PFAS hazards.
How it compares in its category
Rapha's synthetic nylon rain jackets occupy the premium performance segment; comparable alternatives include brands like Arc'teryx and Patagonia, many of which have committed to PFAS-free water-repellent coating (polyether or silicone-based) and published material safety data. Budget and mid-tier synthetic rain jackets rarely disclose coating chemistry either, so Rapha's opacity is industry-standard rather than exceptional, but the absence of published certifications is a relative disadvantage among premium-priced competitors. Wool or recycled-polyester blends with mechanical (non-chemical) water resistance exist as lower-disclosure-risk alternatives.
If you buy it
Wash in cool water using gentle detergent and hang dry; machine drying or heat exposure can degrade the water-repellent coating and potentially volatilize chemical finishes. Do not dry-clean, as solvents may alter the treatment. Reapply water-repellent coating annually using a commercial spray or wash-in product from a transparent manufacturer if water no longer beads. If skin irritation, respiratory irritation during use, or unusual odor occurs after purchase, discontinue use and contact Rapha for treatment composition information to assess chemical sensitivity.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Rapha has made none
Formulations change between production runs, so check the current label. How we grade.
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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.