Thread Report · 45 products analyzed · Updated June 13, 2026
What is Carhartt made of?
Better than most. Carhartt averages 100% natural fibre, which puts them ahead of many competitors. But not everything is equal.
According to Fibr's Thread Report (June 2026), 0% of Carhartt's 45 analysed products are majority-synthetic, with an average natural-fibre content of 100%.
The full picture on Carhartt.
Carhartt is one of the stronger performers in our dataset, averaging 100% natural fibre across 45 products we analyzed. Only 0% of products are polyester-heavy — relatively low compared to many retailers. On the bright side, 100% of Carhartt products are made almost entirely from natural fibres (95%+). The most common fibre across Carhartt products is Cotton, appearing in 100% of items.
How Products Break Down
- 100%
Natural
85–100% natural fibre · 45 products
Most Common Fibres (% of products containing)
Where to buy (and avoid).
Not all categories at Carharttare equal. Here's where the natural fibres are.
Safe Zones · 70%+ natural
What we found.
Across 45 products analyzed, Carhartt averages 100% natural fibre content.
Only 100% of products (45 items) are 95%+ natural fibre.
Cotton is the single most common fibre, appearing in 100% of all Carhartt products.
| Category | Products | Avg Natural % |
|---|---|---|
| T-Shirt | 38 | 100% |
Sample Products
A selection of Carhartt products from our database — from most natural to most synthetic. Click to view on the retailer's site.
The verdict.
Carhartt is one of the better options for natural fabrics. With 100% of products being nearly all-natural, you have real choices here. Still — always check the label. Not every item is created equal.
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Frequently asked questions.
What is Carhartt clothing made of?
Based on our analysis of 45 Carhartt products, the average garment is 100% natural fibre. The most common single fibre is Cotton (in 100% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.
Is Carhartt cotton?
Sometimes — cotton appears in 100% of the 45 Carhartt products we analyzed, but it's usually blended with synthetics. Only 100% of items are nearly all-natural (95%+ natural fibre), so check the composition before assuming a piece is pure cotton.
Is Carhartt 100% cotton?
Some pieces are. Of the 45 Carhartt products we analyzed, 45 are 100% cotton (or near-pure, 95%+) — that's 100.0% of the catalog. The rest are blends.
How much polyester does Carhartt use?
0% of Carhartt products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is below average for fast fashion retailers.
Is Carhartt mostly synthetic?
0% of Carhartt products are polyester-heavy (50%+ polyester). Average natural fibre content is 100%, so the rest of the catalog is mostly natural-led.
Does Carhartt use natural fabrics?
100% of Carhartt products are nearly all-natural (95%+ natural fibre). A decent portion of their range avoids synthetic fibres entirely.
Is Carhartt sustainable in terms of fabric?
Fabric composition is one factor in sustainability. With an average of 100% natural fibre, Carhartt is better than many competitors on this measure. Natural fibres generally biodegrade and shed fewer microplastics than synthetics.
Use this data.
The Thread Report is openly licensed. Cite it, download it, query it directly — just link back to the source page.
- Last updated
- Raw dataset (JSON)
- info.tryfibr.app/carhartt.json ↓
- Computed stats (JSON)
- /api/thread-report/carhartt
Suggested citation
Fibr Thread Report — Carhartt, 2026-06-13. tryfibr.app/thread-report/carhartt
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