Dennis Uniform · School Uniforms
Dennis uniform short sleeve jersey polo red YS Juniors AS (5-6) school
School polo with no disclosed treatment. Likely lower concern.
Basic junior school uniform polo, likely plain cotton or cotton-blend fabric with no fluorochemical finishes disclosed. No special water or stain treatments mentioned.
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Material
cotton or cotton-polyester blend 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.
Azo dyes and color fastness
Red dyes in children's apparel can include azo compounds; Dennis Uniform provides no dye standard documentation. Risk is low in knit cotton blends when dyes are properly applied, but bleeding onto skin in acidic conditions (sweat, wet storage) is a minor concern for sensitive children.
Formaldehyde / VOCs
Cotton-polyester blends sometimes receive formaldehyde-releasing resins for wrinkle resistance or sizing. No label disclosure is visible; likelihood depends on whether fabric was treated at mill or finished by supplier. Off-gassing is highest in first weeks and diminishes with washing.
Source, ATSDR ↗Allergenic fiber or dye sensitivity
Children with sensitive skin or dye allergies may react to untested dye batches or residual sizing. Risk is individual; pre-wash and patch-test on inner arm if child has history of textile reactions.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Heavy metals
Red dyes occasionally contain trace cadmium or lead in low-cost manufacturing. No recalls or testing data exist for Dennis Uniform products; industry baseline suggests risk is very low for school polos but unverified by third parties.
Source, FDA ↗Antimony in polyester
Antimony is used as a catalyst in polyester production and can leach at trace levels, especially in acidic or hot conditions. No established risk at normal wear temperatures for school polos; not a regulatory concern at apparel concentrations.
The full breakdown
What it's made of and why it matters
This Dennis Uniform polo is a cotton or cotton-polyester blend jersey knit, a standard material for children's school apparel. Cotton is naturally low-toxicity and breathable; polyester (if present) adds durability and wrinkle resistance but is a synthetic polymer requiring chemical processing. The knit construction means fewer chemical finishes than tightly woven fabrics, reducing exposure to dyes and sizing agents.
The brand's record and disclosure
Dennis Uniform is a regional school uniform supplier with no published safety certifications (e.g., OEKO-TEX, bluesign) or chemical disclosure statements on file. The brand has no documented recalls or regulatory violations for children's apparel. Their silent stance on chemical management is typical for budget uniform manufacturers; this reflects lack of third-party verification rather than confirmed hazard.
How it compares in its category
School polos are among the lowest-risk children's clothing because they undergo minimal finishing and are worn for limited hours daily. Dennis Uniform positions itself as a cost-conscious supplier; comparable brands (Lands' End, Uniform Advantage) offer OEKO-TEX certification at higher price points. For an entry-level school uniform, this product sits in the mainstream safety tier with no distinguishing advantages or known deficits.
If you buy it
Wash before first wear to reduce loose dyes and residual sizing. Launder in cold water with mild detergent; hot water can accelerate color fading and polymer degradation. Inspect seams and trim annually for fraying or wear; replace if elastic or seams fail. No special storage needed; standard closet conditions are sufficient. Tumble dry low or air dry to extend fabric life.
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
- Dennis Uniform has made none
Formulations change between production runs, so check the current label. How we grade.
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