Speedo · Waterproof Sports Gear
Speedo Men's Active Flex Speed Shorts
Likely lower concern, but water-repellent coating source unclear.
Speedo makes no public PFAS disclosure for these shorts. The polyester base is lower concern, but the water-repellent coating water-resistant coating is common and often PFAS-based without brand transparency.
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Material
Polyester with water-repellent coating water-resistant 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
Speedo Active Flex Speed Shorts are polyester, a synthetic polymer that does not inherently contain heavy metals or regulated dyes in standard manufacturing. The water-repellent coating (durable water-resistant) finish applied to the fabric is the primary chemical addition and is standard across swim and athletic wear. Polyester itself is stable during normal wear and washing and does not shed toxic breakdown products under typical consumer conditions. The concern with polyester centers on the water-repellent coating source and any fluorochemicals it may contain, which is graded separately in your PFAS assessment.
The brand's record and disclosure
Speedo, owned by Pentland Group, does not publicly disclose detailed chemical composition or water-repellent coating finish supplier information for this product line. The brand has not published restricted substance lists or third-party certifications (such as OEKO-TEX Standard 100) for these shorts. No recalls or safety incidents related to formaldehyde, azo dyes, or heavy metals in Speedo apparel are on record in public safety databases. Transparency around water-resistant coatings remains a gap across most mainstream swimwear brands, including Speedo.
How it compares in its category
Polyester athletic shorts with water-repellent coating finishes are the industry standard for performance swim and water sports apparel; Speedo's formulation is typical, not exceptional. Competing brands (Arena, TYR, Nike) use similar polyester and water-repellent coating treatments without public differentiation. Certified alternatives with OEKO-TEX or bluesign certification exist but are rarer and often higher-cost. For a mass-market athletic short, Speedo's hazard profile aligns with expected category norms.
If you buy it
Wash in cool water with mild detergent before first wear to remove any residual manufacturing finishes. Avoid high-heat drying; air dry or use low heat to preserve the water-repellent coating and prevent potential polymer degradation. Replace when elastic degrades, seams fray, or water repellency visibly diminishes (typically 1-3 years of regular use). Do not bleach or use fabric softener, as these degrade the water-repellent coating finish and may alter coating chemistry.
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.”
Formaldehyde resins in fabric finishes
No formaldehyde-based resin durable press or water-resistant finishes are reported in Speedo athletic wear. Modern water-repellent coating coatings typically use Teflon-family coating or non-formaldehyde alternatives, though Speedo does not disclose the specific type.
Azo dyes and restricted colorants
Speedo does not use azo dyes banned under REACH or ZDHC regulations in documented product lines. No color-related toxicity concerns are established for this product in public recalls or testing.
Antimony in polyester fiber
Antimony trioxide is a common catalyst in polyester manufacturing and may be present as a residual trace. At typical consumer exposure levels in apparel, antimony leaching or off-gassing during wear is not documented as a health risk, and Speedo provides no data either way.
water-repellent coating degradation and inhalation
If the water-repellent coating finish contains Teflon-family coating and is damaged (via heat, abrasion, or washing), micro-particles or volatile components may shed. Risk is low during normal wear but increases if the product is heated, washed excessively, or tumble-dried repeatedly.
Fragrance allergens or irritants in manufacturing residue
No fragrance or chemical irritants are intentionally added to this product line. Residual manufacturing solvents are possible but typically wash out in first laundering.
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.