Brooks · Waterproof Sports Undergarments
Brooks Women's Dash Lite Bra
Lower concern. Basic athletic bra without water-repellent treatment.
Nylon and spandex sports bra without water-repellent coating finish or chemical coatings disclosed. Brooks hasn't published PFAS statements about this product.
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Material
Nylon, spandex blend
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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.
Azo dyes
Nylon can be dyed with either azo or non-azo dyes; Brooks has not disclosed dye chemistry for this product. Risk is minimized if the bra is rinsed before first wear, though specific dye safety testing is not publicly available.
Microplastics
Nylon and spandex garments shed microfibers during washing and wear, a well-documented phenomenon across the industry. Using a microfiber filter bag, washing inside-out, and cold water cycles reduce shed volume without eliminating it entirely.
Source, EPA ↗Contact dermatitis or sensitization from dyes or residual finishes
Individuals with sensitive skin may experience irritation from dye residues or finishing agents; rinsing before first wear and choosing neutral colors (which typically use fewer dyes) can lower risk. No specific incidents are documented for this product.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Formaldehyde / VOCs
No evidence that Brooks applies formaldehyde-releasing finishes to the Dash Lite Bra; athletic bras without wrinkle-resistance or odor-guard treatments do not typically require these chemicals.
Source, ATSDR ↗Antimony in polyester or spandex
Antimony is a known catalyst in polyester production but is not typically a concern in spandex or nylon apparel at retail concentrations; no recalls or testing data flag this product.
The full breakdown
What it's made of and why it matters
The Dash Lite Bra is constructed from nylon and spandex, a common blend in athletic wear that provides stretch, moisture management, and durability. Nylon itself is a synthetic polymer with a long safety history in apparel; spandex (polyurethane elastomer) adds elasticity without known acute toxicity concerns at consumer exposure levels. Because this is an athletic bra without water-repellent or stain-guard coatings, the material does not require chemical finishes that introduce persistent hazards, making it materially simpler than treated technical fabrics.
The brand's record and disclosure
Brooks is primarily a footwear and apparel company with a documented focus on sustainability reporting and chemical management policies, though their public disclosures on apparel-specific hazard testing are limited. The company has not issued specific certifications (such as OEKO-TEX or GOTS) for the Dash Lite Bra line based on available public records, nor have there been recalls or controversy involving this product. Brooks' silence on PFAS use in athletic wear aligns with broader industry practice for non-water-repellent garments, where PFAS is typically unnecessary.
How it compares in its category
Nylon-spandex athletic bras are standard across the industry (Nike, Lululemon, Athleta use similar blends). The Dash Lite Bra sits in the mainstream category without premium certifications; competitors offering OEKO-TEX certification or organic cotton blends provide additional hazard documentation, though cost is typically higher. For a basic performance bra without water-resistant claims, the material profile is conventional and represents typical safety expectations for the segment.
If you buy it
Wash in cool water with mild detergent and air-dry to preserve spandex elasticity and avoid heat degradation of the fibers, which can accelerate wear and potential microfiber shedding. Replace the bra when elastic no longer recovers after wear (typically 12-18 months with regular use) or if fabric pilling or thinning appears, as degraded materials increase microfiber release. Avoid bleach and fabric softener, which can compromise both nylon and spandex integrity. Do not expose to prolonged direct heat (tumble dryer, radiators) as high temperatures may cause synthetic fibers to break down prematurely.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Brooks has made none
Formulations change between production runs, so check the current label. How we grade.
More waterproof sports undergarments 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.