Thread Report
Shirt Fabric Quality: Which Brand Is Best?
Across all retailers in our database, we analyzed 4,736 shirt products. The overall average natural fibre content is 72.4% — strong for the industry. Levi's leads with 100% natural fibre in their shirts (7 products), while Patagonia is at the bottom with 16.4% (33 products). That's a 83.6 percentage point gap between the best and worst — where you shop matters a lot for this category.
Shirt Natural Fibre % by Brand
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
Which brand has the best shirts for natural fabric?
Based on our data, Levi's leads with 100% average natural fibre in their shirts (7 products analyzed).
What are most shirts made of?
Across 4,736 shirts from all retailers we track, the average natural fibre content is 72.4%. The rest is synthetic material.
Which brand should I avoid for shirts?
Patagonia has the lowest natural fibre percentage in shirts at 16.4%. That said, individual items vary — always check the label or use Fibr.
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.