Carhartt · Waterproof Sports Undergarments
Carhartt Men's Force Sun Defender Relaxed Fit Lightweight Short-Sleeve Polo
Skip until Carhartt discloses water-repellent coating chemistry or certifies PFAS-free.
Cotton polo with stain and water resistance treatment likely containing PFAS-based water-repellent coating finish. Carhartt offers no transparency on chemistry or third-party verification.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
cotton blend with water-repellent coating (water-repellent coating) treatment
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.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
PFAS
Carhartt Force water-repellent coating treatment chemistry is not publicly disclosed. Legacy water-repellent coating formulations commonly use PFAS compounds; modern alternatives exist but are not confirmed in use here.
Source, ATSDR ↗Degradation of water-repellent coating over time
Water-repellent coating coatings naturally degrade with washing and wear. As coating breaks down, microfibers and any residual chemicals may shed; replacement of garment limits long-term chemical exposure.
What’s reassuring
Formaldehyde / VOCs
No specific formaldehyde release incidents or warnings on record for Carhartt polos. Cotton-polyester blends may contain trace formaldehyde from finishing resins, but levels in finished garments are typically below concern thresholds.
Source, ATSDR ↗Heavy metals
Carhartt is a mainstream industrial apparel brand; no documented azo dye violations or heavy metal contamination in dyed garments. Quality control in large-scale production typically screens for regulated dyes.
Source, FDA ↗Antimony in polyester component
Antimony trioxide is used as a polyester catalyst but residual levels in finished textiles are typically negligible and not regulated as a consumer hazard in apparel.
The full breakdown
What it's made of and why it matters
This polo is a cotton-polyester blend treated with a water-repellent coating (water-repellent coating) finish. water-repellent coating coatings shed water and stains but are often formulated with PFAS "forever chemicals" (PFAS), which persist in the environment and bioaccumulate. Cotton-polyester blends themselves are chemically stable and low-risk, but the water-repellent coating treatment is the critical unknown. Carhartt has not publicly disclosed the chemistry of its Force line water-repellent coating formulation.
The brand's record and disclosure
Carhartt maintains a strong workwear reputation but has not made public commitments to PFAS-free water-repellent coating treatments or disclosed which chemistries it uses across its performance product lines. The company does not appear on major textile sustainability certifications that mandate PFAS avoidance (such as OEKO-TEX or Cradle to Cradle). No recalls or chemical safety incidents specific to this product line are on record, but transparency on water-repellent coating formulation remains absent from Carhartt's public materials.
How it compares in its category
Most mainstream workwear brands use legacy or undisclosed water-repellent coating chemistry; this polo is typical in that respect. Some brands like Patagonia and Arc'teryx have committed to PFOA/PFOS-free water-repellent coating alternatives, though typically at higher price points. Unbranded or budget cotton-blend polos often skip water-repellent coating treatment entirely, eliminating water-repellent coating-related chemical exposure at the cost of stain and water resistance. Carhartt's positioning as a durable, performance-oriented brand means its water-repellent coating use is standard practice but not industry-leading in transparency.
If you buy it
Wash the polo multiple times before first wear to reduce surface residues from finishing chemicals. Cold water washing and air drying will preserve the water-repellent coating longer than hot water or machine drying. Replace when water beading noticeably fails or after approximately 50-100 washes, as water-repellent coating performance degrades and re-treatment with unknown chemistry may be applied commercially. If concerned about cumulative PFAS exposure, consider contacting Carhartt directly to request water-repellent coating ingredient disclosure before purchase.
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
- Carhartt has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Waterproof Sports Undergarments
Carhartt
Men's Force Relaxed Fit Short-Sleeve Pocket T-Shirt
100% cotton jersey knit, untreated
Azo dyes
Limited concern
Microfiber shedding
Limited concern
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
100% cotton, no water-repellent finish
Heavy metals
Limited concern
BPA & bisphenols
Limited concern
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
100% cotton long-sleeve shirt
Azo dyes and dye residuals
Limited concern
Allergen dyes and color fastness
Limited concern
Lower concern, bare cotton apparel with no added treatments.
⚠Starting grade for this product type
More waterproof sports undergarments 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.