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Plastic-Free Rating
Clothing
Mainstream Brand
Clothing·Nike

Dri-FIT Training T-Shirt

D
PFR Grade
Poor — significant plastic content, use with caution
100% polyester. Sheds microplastic fibers with every wash. Nike is one of the most popular athletic clothing brands in the world. Polyester athletic wear is one of the largest sources of microplastic pollution.
PFR Caution

100% polyester athletic t-shirt. Nike is one of the most popular athletic clothing brands in the world.

Score Breakdown

How scores are calculated

Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.

Packaging (20%): Is the product packaged in plastic? Is it recyclable?

Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?

Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.

Materials
2
Packaging
3
Transparency
3
Durability
7

This is a rating of this specific product only — not the company. Other products from this brand may score differently.

Last updated: April 6, 2026

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High Exposure Risk — Why This Product Category Matters

Synthetic clothing sheds microplastic fibers with every wash. Natural fibers (cotton, wool, linen) do not shed microplastics.

Synthetic Plastic Content
100%
synthetic plastic by weight

Why We Rated It This Way

Nike's Dri-FIT shirts are 100% polyester — which sheds microplastic fibers with every wash. A single polyester shirt can shed over 1,900 microplastic fibers per wash. Natural fiber athletic wear (merino wool, organic cotton) is available.

Chemical & Health Analysis

Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.

Contains:100% polyester

All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.

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