Mizuno · Running & Athletic Shoes
Mizuno Women's Neo Vista 2
Running shoe with water-resistant coating; Mizuno discloses no PFAS position.
The Neo Vista 2 is a running shoe with treated synthetic uppers likely containing a water-repellent coating finish. Mizuno provides no public PFAS disclosure or testing data for this model.
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Material
Synthetic mesh upper, likely with water-repellent coating water-repellent finish
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
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.
PFAS
Synthetic mesh athletic shoes almost universally rely on fluorocarbon water-repellent coating finishes unless explicitly marketed otherwise. Mizuno's silence on PFAS policy and the ubiquity of PFAS in this application class indicate a high probability of PFAS-based treatment on this model. (PFAS graded separately at 20/100; included here for context.)
Source: ATSDR ↗Formaldehyde / VOCs
Synthetic mesh and adhesive systems in athletic footwear may contain formaldehyde-releasing resins used for fabric stiffening and bonding. Exposure risk is low during wear but may be present in new-product off-gassing, particularly if shoe is stored in warm, humid conditions.
Source: ATSDR ↗Azo dyes in synthetic mesh colorants
Polyester and nylon uppers are often dyed using azo colorants, some of which can cleave into aromatic amines under specific conditions (high heat, acidic sweat, or prolonged wet storage). Standard azo dyes used in footwear are within regulatory limits in most jurisdictions, but exposure risk increases if shoe is exposed to heat or worn intensively by individuals with sensitive skin.
Antimony in polyester textile
Antimony is a catalyst residue in polyester synthesis and may be present at low concentrations in the mesh material. Skin exposure during wear is minimal and antimony is not a primary concern in finished athletic footwear, but heavy sweating in warm conditions could theoretically increase dermal contact.
Degradation of mesh integrity over time
UV exposure, repeated flexing, and enzymatic breakdown of synthetic fibers can compromise the mesh upper's structural integrity and potentially increase fiber shedding. This is normal wear, not a manufacturing defect, but microfiber release during the shoe's lifespan is a known environmental and minor inhalation concern.
The full breakdown
What it's made of and why it matters
The Mizuno Neo Vista 2 features a synthetic mesh upper, almost certainly treated with a water-repellent coating (water-repellent coating) finish to shed moisture. water-repellent coating coatings on athletic footwear are conventionally fluorocarbon-based (PFAS-containing) because PFAS provide superior water and oil repellency at low application weights. The mesh itself is likely polyester or nylon, both of which are stable materials; the chemical risk profile is driven primarily by the surface treatment, not the substrate.
The brand's record and disclosure
Mizuno has not publicly disclosed a PFAS policy, transition plan, or commitment to PFAS-free chemistries in footwear. The brand does not appear on public PFAS commitment trackers maintained by environmental health organizations. This silence is significant in an industry where competitors (Nike, Adidas, On Running) have made some level of public commitment to phasing PFAS or improving transparency. Lack of disclosure does not confirm PFAS use, but it reflects absence of proactive governance.
How it compares in its category
Most mainstream running shoes use fluorocarbon water-repellent coating finishes, making the Neo Vista 2 typical rather than exceptional in this respect. A small but growing number of brands offer PFAS-free water-repellent coating alternatives (paraffin wax, silicone, polyurethane-based systems), but these remain premium-priced and less common in mid-range athletic footwear. If PFAS exposure from water-repellent coating coatings is a concern, this shoe does not occupy a lower-risk position than its direct competitors.
If you buy it
Wear the shoe normally; water-repellent coating coatings remain largely fixed to fabric during use and do not significantly migrate to skin during typical athletic wear. Avoid machine washing at high temperatures, which can degrade the water-repellent finish and potentially increase leachate; hand wash or air dry when necessary. Expect water-repellent coating efficacy to diminish after 6-12 months of regular use; re-treatment products are available but introduce additional chemical exposure. Retire the shoe when structural integrity fails (sole delamination, mesh tearing), not based on water-repellent coating loss alone.
What we don’t know
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Mizuno has made none
Formulations change between production runs, so check the current label. How we grade.
Safer alternatives in Running & Athletic Shoes
New Balance
Women's Fresh Foam Arishi v4 Shoes
Mesh upper, Fresh Foam midsole, rubber outsole
Azo dyes and color-based toxins
Limited concern
Antimony in polyester
Limited concern
Standard athletic shoe with no known PFAS triggers, but no brand disclosure.
⚠Risky category by default
Diadora
Atomo V7000-2
Textile fabric, likely polyester or nylon blend
Azo dyes and synthetic dyes
Limited concern
Formaldehyde / VOCs
Limited concern
Antimony in polyester fibers
Limited concern
Adhesive and rubber off-gassing
Limited concern
No public PFAS disclosure; lower concern but unverified.
⚠Risky category by default
More running & athletic shoes 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.