Thread Report
COS Shirt Fabric Composition.
We analyzed 11 shirt products from COS. At 82.3% average natural fibre, this is roughly in line with COS's overall average of 79%. Wool is the most common fibre in COS shirts, found in 36.4% of products.
Top Fibres in COS Shirt
How COS Compares — Shirt
Average Natural Fibre % by Brand
Monthly Thread Reports
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Frequently Asked Questions
What are COS shirts made of?
Across 11 shirt products from COS, the average natural fibre content is 82.3%. This is above COS's overall average of 79%.
Are COS shirts good quality fabric?
At 82.3% average natural fibre, COS shirts are among the better options. Higher natural fibre content generally means better breathability, durability, and less microplastic shedding.
Should I buy shirts from COS?
If fabric composition matters to you, COS shirts average 82.3% natural fibre. Use the Fibr browser extension to check individual items while shopping — fabric quality varies widely even within one category.
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