Thread Report
How Much Silk Does COS Use?
Silk appears in 3.4% of COS products (25 out of 733). While not their primary fibre, it's present in a notable share of the range. When silk is used, it makes up an average of 86.9% of the garment's composition. That means products containing silk are typically dominated by it.
Silk Usage Across Brands
Monthly Thread Reports
Get reports like this in your inbox.
We analyze thousands of products every month. Be the first to see new Thread Reports — fabric data nobody else publishes.
No spam. Unsubscribe in one click.
Frequently Asked Questions
How much silk does COS use?
Silk appears in 3.4% of COS products. When it is used, it typically makes up 86.9% of the garment's fabric composition.
Does COS have silk-free clothing?
97% of COS products in our database do not contain silk. You can use the Fibr extension to identify these items while shopping.
Is silk in COS clothing a problem?
Silk is a natural fibre that biodegrades and doesn't shed microplastics. It appears in a minority of COS products.
Related reports.
Stop buying plastic by accident.
Fibr shows you what every garment is actually made of before you buy it. Green means natural fibre. Red means plastic.
Add to Chrome — It's freeFree forever. No account, no data collected, nothing to lose.