15 Organic Cotton Waterproof Sports Undergarments graded for PFAS risk

All 15 cotton-based options in our waterproof sports undergarments 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.

Carhartt Men's Force Relaxed Fit Short-Sleeve Pocket T-Shirt

Carhartt

Men's Force Relaxed Fit Short-Sleeve Pocket T-Shirt

100% cotton jersey knit, untreated

PFAS Grade65Good
Overall Grade57Good
🎨

Azo dyes

Limited concern

70
🫧

Microfiber shedding

Limited concern

70

Basic cotton tee, lower PFAS concern with no waterproofing.

Starting grade for this product type

Carhartt Men's Relaxed Fit Midweight Short-Sleeve Pocket T-Shirt

Carhartt

Men's Relaxed Fit Midweight Short-Sleeve Pocket T-Shirt

100% cotton, no water-repellent finish

PFAS Grade65Good
Overall Grade57Good
🎨

Heavy metals

Limited concern

70
🍼

BPA & bisphenols

Limited concern

70

Lower concern, plain cotton tee with no water-repellent coating treatment.

Starting grade for this product type

Carhartt Men's Force Color Enhanced Long Sleeve T-Shirt

Carhartt

Men's Force Color Enhanced Long Sleeve T-Shirt

100% cotton long-sleeve shirt

PFAS Grade65Good
Overall Grade57Good
🎨

Azo dyes and dye residuals

Limited concern

70
⚠️

Allergen dyes and color fastness

Limited concern

70

Lower concern, bare cotton apparel with no added treatments.

Starting grade for this product type

Force Relaxed T-Shirt

Carhartt

Force Relaxed T-Shirt

100% cotton jersey

PFAS Grade65Good
Overall Grade57Good
🎨

Azo dyes and banned colorants

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70

Lower concern. Plain cotton jersey with no water-repellent finish on record.

Starting grade for this product type

Reebok Men's Tech Training Short Sleeve T-Shirt

Reebok

Men's Tech Training Short Sleeve T-Shirt

polyester/cotton blend, standard knit

PFAS Grade65Good
Overall Grade43Poor
🎨

Azo dyes and residual dye chemicals

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Microplastic shedding during washing

Moderate concern

45
🎨

Heavy metals

Limited concern

70

Lower concern, standard training tee with no water or stain treatment indicated.

Starting grade for this product type

Calvin Klein Men's Intense Power Sport Tee

Calvin Klein

Men's Intense Power Sport Tee

Cotton-blend knit jersey, uncoated

PFAS Grade65Good
Overall Grade53Good
🎨

Azo dyes and synthetic colorants

Limited concern

70
🎨

Heavy metals

Limited concern

70
⚠️

Fragrance allergens or residual chemical odors

Limited concern

70

Lower concern, basic cotton-blend tee with no known water-repellent coating or stain treatment.

Starting grade for this product type

Calvin Klein Women's Double Logo High Hip T-Shirt

Calvin Klein

Women's Double Logo High Hip T-Shirt

cotton jersey, no applied finish

PFAS Grade65Good
Overall Grade57Good
🎨

Azo dyes and colorant residues

Limited concern

70
🎨

Heavy metals

Limited concern

70

Lower concern, basic cotton tee with no applied treatments.

Starting grade for this product type

PUMA Men's Train All Day Tech Triblend Tank Top

Puma

Men's Train All Day Tech Triblend Tank Top

polyester/cotton blend, no specified coating

PFAS Grade65Good
Overall Grade35Poor
🎨

Heavy metals

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Microplastics

High concern

20
⚠️

Residual dyes and sizing agents

Limited concern

70

Lower PFAS concern. No water-resistant treatment mentioned.

Starting grade for this product type

Tommy Hilfiger Men's TH Performance Straight Fit Pants

Tommy Hilfiger

Men's TH Performance Straight Fit Pants

cotton blend with water-repellent coating treatment

PFAS Grade20Bad
Overall Grade0Bad
♾️

PFAS

High concern

20
🫧

Coating degradation and microfiber shedding

Limited concern

70

Likely water-repellent coating-treated; brand silent on PFAS, check care label.

Waterproof or stain-proof treatment

Tommy Hilfiger Men's Regular Fit Tommy Wicking Polo

Tommy Hilfiger

Men's Regular Fit Tommy Wicking Polo

cotton blend with moisture-wicking finish

PFAS Grade20Bad
Overall Grade8Bad
🎨

Azo dyes (synthetic color)

Limited concern

70
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Polyester fiber degradation and microfiber shedding

Limited concern

70

Wicking treatment probably uses water-repellent coating, but risk remains unconfirmed without disclosure.

Waterproof or stain-proof treatment

Carhartt Men's Force Sun Defender Relaxed Fit Lightweight Short-Sleeve Polo

Carhartt

Men's Force Sun Defender Relaxed Fit Lightweight Short-Sleeve Polo

cotton blend with water-repellent coating (water-repellent coating) treatment

PFAS Grade20Bad
Overall Grade0Bad
♾️

PFAS

Limited concern

70

Degradation of water-repellent coating over time

High concern

20

Skip until Carhartt discloses water-repellent coating chemistry or certifies PFAS-free.

Waterproof or stain-proof treatment

Carhartt Men's Force 1/4-Zip Long Sleeve T-Shirt

Carhartt

Men's Force 1/4-Zip Long Sleeve T-Shirt

Cotton blend with moisture-wicking treatment

PFAS Grade20Bad
Overall Grade12Bad
⚠️

Antimony in polyester

Limited concern

70
💨

VOC and odor off-gassing from synthetic finish

Limited concern

70

Likely lower concern, but water-repellent coating finish composition stays unconfirmed.

Waterproof or stain-proof treatment

Carhartt Men's Force Logo Sweatshirt

Carhartt

Men's Force Logo Sweatshirt

cotton blend with water-repellent coating treatment

PFAS Grade20Bad
Overall Grade12Bad
♾️

PFAS

Limited concern

70
🫧

Fabric degradation and microplastic shedding

Limited concern

70

Cotton blend with unspecified water-repellent coating treatment presents unclear PFAS concern.

Waterproof or stain-proof treatment

Carhartt Force Sub-Scrubs Performance Long Sleeve Tee

Carhartt

Force Sub-Scrubs Performance Long Sleeve Tee

polyester/cotton blend with performance water-repellent coating finish

PFAS Grade20Bad
Overall Grade0Bad
⚠️

Antimony in polyester

Limited concern

70
🫧

Microfiber shedding from synthetic content

Moderate concern

45

water-repellent coating degradation and durability uncertainty

High concern

20

Performance apparel with water-repellent coating, PFAS status unclear from brand.

Waterproof or stain-proof treatment

Calvin Klein Men's Dress Shirt Slim Fit Non Iron

Calvin Klein

Men's Dress Shirt Slim Fit Non Iron

cotton blend with durable press/non-iron finish

PFAS Grade20Bad
Overall Grade2Bad
💨

Formaldehyde / VOCs

Limited concern

70
🫧

Coating degradation and microfiber shedding

Moderate concern

45
⚠️

Chlorine bleach sensitivity in treated fabric

Limited concern

70

Non-iron finish likely contains PFAS, brand silent on sourcing.

Waterproof or stain-proof treatment

Every material, ranked together, is in the full waterproof sports undergarments ranking →