65/ 100
D
OverallF51/100
Reebok Men's Workout Ready Woven Shorts

Reebok · Waterproof Sports Gear

Reebok Men's Workout Ready Woven Shorts

D · Elevated

Standard athletic shorts, no PFAS-typical additives evident.

Verdict: SkipPolyester/nylon blend with no documented azo-dye, formaldehyde, or flame-retardant concerns; standard athletic construction carries low established hazard profile.

Reebok makes no PFAS claims for this woven shorts style. Basic athletic apparel without waterproofing or stain resistance typically avoids PFAS, though brand transparency is absent.

The safe swap

Patagonia Men's 10" Quandary Shorts

Patagonia

Patagonia Men's 10" Quandary Shorts

100/100 safety

A

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

woven polyester or nylon blend

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

Category baseline

clothing is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

The full breakdown

What it's made of and why it matters

Reebok Workout Ready shorts are woven from polyester or nylon blends, common synthetic base fibers in athletic wear. These materials are chemically stable during normal wear and washing and do not leach significant quantities of monomers or additives under typical conditions. The woven construction (versus knit or coated) means minimal synthetic finishes or waterproofing treatments that often carry formaldehyde resins or heavy metal catalysts.

The brand's record and disclosure

Reebok (owned by Authentics) does not publicly disclose detailed chemical inventory or restricted-substance testing for individual product lines, and no established recalls or safety warnings attach to this specific shorts line. The brand has not published a formal PFAS avoidance statement, and public testing data on Reebok apparel is sparse. No documented controversies regarding formaldehyde, azo dyes, or antimony in Reebok athletic shorts appear in consumer or regulatory records.

How it compares in its category

Uncoated polyester/nylon athletic shorts sit in the lower-hazard segment of casual apparel. They pose fewer chemical risks than dyed or coated textiles and carry no waterproofing or flame-retardant burden typical of outerwear. Compared to budget or vintage athletic brands, Reebok's manufacturing footprint suggests routine compliance with EU and US fiber-content and flammability standards, though independent verification is absent.

If you buy it

Wash in cool water before first wear to rinse any residual dyes or finishes. Polyester and nylon are stable under normal laundering and do not require special heat restrictions. Inspect seams and elastic annually for degradation; replace if stitching separates or elastic loses tension. Air dry when possible; moderate heat tumble is safe but accelerates fiber wear and elastic fatigue over time.

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.”

None known

Azo dyes and dye-related allergens

No recalls or public reports of azo dyes or restricted azo metabolites in Reebok athletic shorts. Standard dyeing of polyester typically avoids azo processes, but formal testing data from the brand is not available.

None known

Formaldehyde resins in finishes

Woven polyester/nylon without applied water-repellent or wrinkle-resistant coatings carries minimal formaldehyde risk. Reebok shorts are not marketed with performance finishes; pre-wear washing further reduces any residual aldehyde exposure.

Possible

Antimony in polyester fiber

Polyester production may use antimony trioxide as a catalyst. Antimony remains in the polymer and does not migrate under normal wear or washing. Risk from finished garment wear is negligible, but manufacturing exposure is an occupational concern outside consumer scope.

Reported

Synthetic microfibers shed during washing

Polyester and nylon shedding in laundry water is well-documented across the category. Reebok shorts will contribute microfiber release at typical rates; washing bags and reduced-agitation cycles mitigate but do not eliminate shedding.

None known

Heavy metals in dyes or pigments

No recalls, advisories, or public test results report lead, cadmium, or chromium in Reebok athletic shorts. Mainstream synthetic dyes used on polyester are subject to EU and US restrictions; however, independent third-party testing of this product line is not published.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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

Patagonia

Men's 10" Quandary Shorts

nylon/polyester blend with water-repellent coating treatment

A
A
PFASAll
A · Very low PFAS1 flag

Lower concern. Patagonia uses PFC-free water-repellent coating; verify MADE SAFE label on tag.

MADE SAFE (PFAS-free DWR verified on some styles)

Lab test found no PFAS

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.