52 Organic Cotton School Uniforms graded for PFAS risk
All 52 cotton-based options in our school uniforms database, graded Bad to Excellent and ranked lowest risk first. None earn a buy-worthy grade yet, so start from the top and check the swap suggestions.
Izod
Girls Izod Dresses Nwt Izod Pleated School Uniform Jumper
polyester/cotton blend school uniform jumper
Formaldehyde / VOCs
Limited concern
Azo dyes and colorant metals
Limited concern
Antimony in polyester fiber
Limited concern
Elastic degradation and contact dermatitis
Limited concern
Lower concern. Standard school uniform, no waterproof coating.
⚠Starting grade for this product type
Kohl's
Unionbay Juniors Khaki Uniform Pants
Cotton or cotton-blend twill, untreated
Azo dyes and colorfast residues
Limited concern
Lead
Limited concern
Antimony in polyester (if present)
Limited concern
Microplastic shedding during wash and wear
Limited concern
Lower PFAS concern. Basic khaki pants with no special water or stain treatment disclosed.
⚠Starting grade for this product type
L.L.Bean
Men's L.L.Bean Comfort Stretch Long Sleeve Oxford Shirt
Cotton blend with elastane, no stated finish
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Degradation of elastane over time
Moderate concern
Allergenic or irritant dyes and finishes
Limited concern
Lower concern basic oxford shirt, no waterproof finish applied.
⚠Starting grade for this product type
School Apparel
French Toast Boys Short Sleeve Pique Polo
Cotton pique knit
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Dye bleed and skin contact irritation
Moderate concern
Allergens in dyes and finishes
Limited concern
Inherent cotton material poses lower PFAS concern; no treatment disclosure.
⚠Starting grade for this product type
School Apparel
Old Navy Kids' School Uniform Short-Sleeve Top
Cotton blend, likely polyester
Azo dyes and other colorant allergens
Limited concern
Formaldehyde / VOCs
Limited concern
Antimony in polyester
Limited concern
Heavy metals
Limited concern
Lower concern. Basic cotton/synthetic blend, no treatments typical of PFAS use.
⚠Starting grade for this product type
Walmart
Wonder Nation Boys School Uniform Pique Polo Shirt with Short Sleeves
100% cotton pique knit
Formaldehyde / VOCs
Limited concern
Azo dyes and unreacted dye compounds
Limited concern
Heavy metals
Limited concern
Lower concern. Bare cotton pique unlikely to contain PFAS.
⚠Starting grade for this product type
Walmart
Wonder Nation Girls School Uniform Pique Polo Shirt with Short Sleeves
100% cotton pique weave
Lower concern. Bare cotton pique with no reported treatments.
⚠Starting grade for this product type
Walmart
Wonder Nation Girls Shirts & Tops Wonder Nation School Uniform Interlock Short Sleeve Polo Shirt
Cotton-polyester interlock blend
Azo dyes and colorant residues
Limited concern
Antimony in polyester
Limited concern
Pilling and fiber shedding
Moderate concern
Heavy metals
Limited concern
Lower concern. Basic school polo with no water/stain treatment.
⚠Starting grade for this product type
Gap Kids
Uniform Stretch Relaxed Straight Khakis
Cotton blend with stretch, no reported coating
Azo dyes and colorfast residues
Limited concern
Formaldehyde / VOCs
Limited concern
Elastane degradation and microfiber shedding
Limited concern
Lower PFAS concern for basic khaki; Gap doesn't disclose treatment.
⚠Starting grade for this product type
Gap Kids
Gap Boys' Kids Pique Polo
cotton pique knit
Formaldehyde / VOCs
Limited concern
Heavy metals
Limited concern
Residual processing chemicals (de-sizing, bleaching)
Limited concern
Lower concern. Basic cotton polo with no known water or stain treatments.
⚠Starting grade for this product type
Gap Kids
Girls' Uniform Polo Shirt Shirt by Gap
cotton/cotton blend polo shirt, untreated
Heavy metals
Limited concern
Pesticide residue
Limited concern
Antimony in polyester content (if blended)
Limited concern
Microfiber shedding during wash
Moderate concern
Lower concern. Plain cotton polo with no reported treatments.
⚠Starting grade for this product type
French Toast
Boys Long Sleeve Pique Polo
pique cotton blend
Formaldehyde / VOCs
Limited concern
Antimony (polyester catalyst residue)
Limited concern
Loose dyes or color migration
Limited concern
Degradation of seams and fasteners over time
Moderate concern
No known PFAS use; no brand disclosures raise concerns.
⚠Starting grade for this product type
French Toast
Adult French Toast Skirts French Toast Pleated Women’s Uniform Girls Khaki Skirt
polyester, cotton blend uniform skirt
Formaldehyde / VOCs
Limited concern
Microplastics
Moderate concern
Standard uniform pleated skirt, no PFAS-typical treatments disclosed.
⚠Starting grade for this product type
Bienzle
Old Navy Kids' School Uniform Jersey Polo Shirt
cotton jersey knit
Azo dyes and excess dye residue
Limited concern
Microfiber shedding and microplastic persistence
Moderate concern
Lower concern. Bare cotton jersey unlikely to contain PFAS.
⚠Starting grade for this product type
Lands' End
School Uniform Girls Hopsack Blazer
Hopsack cotton/cotton blend, untreated
Heavy metals
Limited concern
Dye bleed and colorfast degradation
Limited concern
Lower concern. Standard untreated hopsack cotton blazer unlikely to contain PFAS.
⚠Starting grade for this product type
L.L.Bean
Men's L.L. Bean Shirts Ll Bean Premium Double L Polo
cotton pique blend
Azo dyes
Limited concern
Antimony in polyester component
Limited concern
Residual processing chemicals and oils
Moderate concern
Heavy metals
Limited concern
Lower concern. Standard cotton polo lacks water repellency treatment.
⚠Starting grade for this product type
Bienzle
Old Navy Kids' School Uniform Pique Polo Shirt
cotton pique knit
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Allergenic fragrance or dyes
Limited concern
Lower concern. Basic cotton pique with no water-resistant treatment.
⚠Starting grade for this product type
Bienzle
Bienzoe Girl's School Uniforms High Tech Durable Adjust Waist Pants Khaki
Cotton blend khaki twill, no stated finish
Azo dyes (synthetic colorants)
Limited concern
Antimony in polyester component
Limited concern
Volatile organic compounds (VOC) off-gassing
Limited concern
Lower concern. Plain cotton twill unlikely to have PFAS treatments.
⚠Starting grade for this product type
Kaynee
Boy's Kaynee Unisex' L/S Button-Down Shirt
cotton blend, standard button-down shirt
Azo dyes and colorfast residues
Limited concern
Formaldehyde / VOCs
Limited concern
Antimony in polyester component
Limited concern
Button and fastener materials
Limited concern
Standard cotton blend shirt, lower PFAS concern without treatments.
⚠Starting grade for this product type
Kaynee
Unisex' L/s Button-down Shirt (sizes 8 - 20)
cotton/cotton blend button-down shirt
Azo dyes (colorfast dyes)
Limited concern
Antimony in polyester (if blended)
Limited concern
VOC off-gassing from dyes or sizing
Limited concern
Lower concern. Standard cotton shirt with no known PFAS triggers.
⚠Starting grade for this product type
Kaynee
Men's S/S Pique Polo Adult
100% cotton pique
Azo dyes (synthetic colorants)
Limited concern
Heavy metals
Limited concern
Fragrance or finishing chemical residues
Limited concern
Lower concern. Plain cotton pique polo, no PFAS-typical treatments apparent.
⚠Starting grade for this product type
Kaynee
Old Navy Kids' School Uniform Jersey Polo Shirt
cotton jersey knit
Formaldehyde / VOCs
Limited concern
Azo dyes (synthetic colorants)
Limited concern
Allergenic fragrance compounds
Limited concern
Residual dye transfer (color bleeding)
Moderate concern
Standard cotton polo, lower PFAS concern but no brand transparency.
⚠Starting grade for this product type
Nautica
Uniform Stretch Twill Shorts Boys 8-20
cotton/polyester twill, stretch blend
Azo dyes and colorfast potential
Limited concern
Antimony in polyester
Limited concern
Loose synthetic fibers and microfiber shedding
Limited concern
Basic boys shorts, no water/stain treatment evident.
⚠Starting grade for this product type
Nautica
Boys Uniform Polo
100% cotton pique
Formaldehyde / VOCs
Limited concern
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Lower concern. Bare cotton polo unlikely to contain intentional PFAS.
⚠Starting grade for this product type
Bienzle
Wonder Nation Boys School Uniform Pique Polo Shirt with Short Sleeves
pique cotton blend (likely cotton/polyester)
Formaldehyde / VOCs
Limited concern
Azo dyes and colorfast concerns
Limited concern
Microplastics
High concern
Coating degradation and fiber release
Limited concern
Lower PFAS concern; standard school polo without water treatment.
⚠Starting grade for this product type
Old Navy
Kids' School Uniform Jersey Polo Shirt
Cotton jersey knit, untreated
Formaldehyde / VOCs
Limited concern
Azo dyes (color fastness)
Limited concern
Microfiber shedding
Limited concern
Dye migration or bleeding
Limited concern
Lower concern. Plain cotton polo, no water-resistant treatment disclosed.
⚠Starting grade for this product type
Old Navy
Kids' School Uniform Pique Polo Shirt
cotton pique knit
Formaldehyde / VOCs
Limited concern
Azo dyes and synthetic colorants
Limited concern
Lower concern baseline, but Old Navy has not disclosed PFAS policy.
⚠Starting grade for this product type
Macy's
Polo Ralph Lauren Boys Stretch Jersey Polo Shirt
cotton jersey blend, stretch
Heavy metals
Limited concern
Formaldehyde / VOCs
Limited concern
Allergic sensitization from synthetic dyes or finishes
Limited concern
Microfiber shedding from elastane
Limited concern
Lower concern. Basic jersey polo with no water or stain treatment applied.
⚠Starting grade for this product type
Macy's
Tommy Hilfiger Boys' 8-20 Stretch Ivy Polo Shirt
cotton blend, no PFAS-typical finishes noted
Azo dyes (in colored polyester sections)
Limited concern
Microfiber shedding on washing and wear
Limited concern
Lower concern. Basic cotton polo with no reported water or stain treatments.
⚠Starting grade for this product type
Macy's
Nautica Girls Jeggings
Cotton blend jeggings, standard construction
Formaldehyde / VOCs
Limited concern
Azo dyes and color fastness
Limited concern
Antimony in polyester component
Limited concern
Microplastics
Limited concern
Lower concern; basic apparel with no known PFAS-prone treatments.
⚠Starting grade for this product type
Every material, ranked together, is in the full school uniforms ranking →