Old Navy Kids' School Uniform Jersey Polo Shirt
Standard cotton polo, lower PFAS concern but no brand transparency.
Plain cotton jersey shirt with no waterproofing or stain treatment disclosed. No PFAS claims or certifications available from brand.
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Material
cotton jersey knit
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.
Formaldehyde / VOCs
Cotton jersey undergoes wet-finishing, which may include formaldehyde-based wrinkle-resist or softening agents. No product-specific disclosure on file; standard cotton apparel typically contains trace levels that diminish after washing.
Source, ATSDR ↗Azo dyes (synthetic colorants)
School uniform polos are often dyed with reactive dyes, some of which can include azo compounds. Old Navy/Kaynee have not published restricted azo-dye policies; standard industry practice limits high-risk amines, but verification is absent.
Allergenic fragrance compounds
If the polo has a 'fresh' or scented finish, fragrance allergens (e.g., limonene, linalool) may be present. No fragrance disclosure on the product label is typical for Old Navy; unknown whether intentional perfuming is used.
Residual dye transfer (color bleeding)
Cotton polos with heavy dyeing can shed color, especially dark navy or black variants. Risk is highest in first wash; contact with white garments or skin irritation in sensitive children is documented in user reviews for similar products.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Antimony (polyester catalyst residue)
Pure cotton does not contain antimony. Risk is present only if this polo contains polyester blend; product description states cotton jersey, so antimony concern is minimal unless undisclosed synthetic content.
The full breakdown
What it's made of and why it matters
This is a cotton jersey knit polo, meaning it's soft, breathable, and naturally lower-chemical than synthetic blends. Cotton jersey is ring-spun and knitted rather than woven, so it sheds less fiber and is gentler on sensitive skin. The material itself does not inherently contain flame retardants or heavy coatings, though finishing chemicals applied during manufacturing can linger.
The brand's record and disclosure
Old Navy (parent company Gap Inc.) does not publish detailed chemical disclosure or restricted substance lists specific to kids' lines, though Gap Inc. has general sustainability commitments. Kaynee, the listed manufacturer, has no public record of certifications such as OEKO-TEX or GOTS. No major recalls or chemical controversies on record for this specific product line.
How it compares in its category
Cotton knit polos are a safer choice than polyester-blend school uniforms, which carry higher antimony and azo-dye risk. This product sits at the mid-transparency tier, better than unlabeled discount brands, but lacks third-party certification that competitors like Hanna Andersson or Patagonia Kids offer. For a mainstream retailer, the PFAS grade of 65/100 is acceptable but not exceptional.
If you buy it
Wash in cold water before first wear to remove residual finishes and dyes. Avoid high-heat drying, which can set any remaining chemical residues into fibers. Monitor for color bleeding in the first few washes, especially if darker shades. Replace when seams fray or pilling becomes heavy, as worn fabric is more likely to shed particles.
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
- Kaynee has made none
Formulations change between production runs, so check the current label. How we grade.
More school uniforms 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.