Asics · Waterproof Sports Gear
Asics Men's 5IN PR Lyte Short 2.0
Unknown water-repellent coating treatment; ASICS has not disclosed PFAS use.
Athletic shorts typically use water-repellent coating (water-repellent coating) coatings that may contain PFAS. ASICS has not publicly committed to PFAS-free manufacturing or disclosed treatment details.
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Material
polyester blend with 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 product is a polyester blend with a water-repellent coating (water-repellent coating) finish. Polyester itself is chemically stable during normal wear, but the water-repellent coating is the primary concern: ASICS has not disclosed whether their water-repellent coating treatment uses PFAS or fluorine-free alternatives. Additionally, polyester production involves azo dyes and may contain antimony catalyst residues, neither of which poses acute risk at finished-product stage but are relevant to informed choice.
The brand's record and disclosure
ASICS has not made public commitments to eliminate PFAS from textile treatments or published testing results for this specific product line. The brand remains silent on water-repellent coating chemistry across its apparel range. This stands in contrast to competitors (Patagonia, The North Face) who have publicly transitioned away from PFAS-based water repellents. ASICS' lack of transparency makes it impossible to confirm safety of the finishing chemicals.
How it compares in its category
Men's athletic shorts in the $50-80 USD range often use polyester with water-repellent coating finishes; ASICS is mainstream in this segment. Brands offering PFAS-free or certified water-repellent coating alternatives (like Patagonia's bluesign certified shorts) are available at similar or slightly higher prices. ASICS shorts are mid-tier in terms of disclosed material safety; premium athletic brands now compete partly on fluorine-free water repellency.
If you buy it
Wash in cool water and avoid high heat drying, which can stress polymer coatings. Do not tumble-dry on high; air-dry or low heat extends the water-repellent coating finish lifespan and reduces leaching risk. Expect to re-treat or replace the shorts after 50-100 wash cycles if water repellency is important to you. If PFAS exposure is a personal priority, contact ASICS customer service directly to request water-repellent coating treatment documentation before purchase.
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.”
PFAS in water-repellent coating
Water-repellent finish chemistry is undisclosed by ASICS. Many athletic apparel brands still use PFAS-based Teflon-family coating coatings despite phasing timelines. Without product testing or brand statement, PFAS presence cannot be ruled out.
Azo dyes and color fastness
Polyester apparel typically uses azo dyes; regulated azo dyes present no documented acute hazard at finished-product stage. Concern is minimal for this category, but release during bleach exposure or excessive washing is theoretically possible for poor-quality dyes.
Antimony residues in polyester
Antimony is used as a catalyst in polyester synthesis and can remain at trace levels in finished fibers. Skin contact and ingestion risk are negligible; no documented health incidents from wear. Not a primary concern for shorts but part of complete polyester safety profile.
Coating degradation and microparticle release
As the water-repellent coating finish wears with repeated washing and flexing, microscopic particles of the coating may shed. Composition of shed particles is unknown given undisclosed water-repellent coating chemistry; risk severity depends on whether fluorinated compounds are involved.
Formaldehyde-based finishes (wrinkle/shrink resistance)
ASICS does not market these shorts as wrinkle-resistant or shrink-resistant, suggesting minimal formaldehyde resin treatment. Standard polyester requires no formaldehyde finish, so risk is low for this product.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% 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.
Safer alternatives in Waterproof Sports Gear
Patagonia
Men's 10" Quandary Shorts
nylon/polyester blend with water-repellent coating treatment
Lower concern. Patagonia uses PFC-free water-repellent coating; verify MADE SAFE label on tag.
✓Lab test found no PFAS
Reebok
Men's Athlete Speed Shorts
Polyester mesh and nylon blend, standard athletic construction
Lower concern. Standard athletic shorts without water-resistant coating.
⚠Risky category by default
Patagonia
Men's Home Waters Hybrid Shorts
Polyester blend with PFAS-free water-repellent coating finish
Lower concern. Patagonia phased out PFAS-based water-repellent coating; verify current product line batch.
⚠Waterproof or stain-proof treatment
More waterproof sports gear 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.