Thread Report
ASOS: May 2026
ASOS leans heavily synthetic. Across 8,629 products, only 35.1% of fibre content on average is natural. 48.2% of their products are polyester-heavy (50%+ polyester) — that means nearly half of what they sell is mostly plastic. 25.4% of products are nearly all-natural (95%+ natural fibre). The most common fibre across ASOS products is Polyester, appearing in 54.2% of items.
Natural Fibre Distribution
- 57.7%
Synthetic
<30% natural fibre · 4,979 products
- 16%
Blend
30–85% natural fibre · 1,381 products
- 26.3%
Natural
85–100% natural fibre · 2,269 products
Top Fibres by Frequency
Fabric by Category — May 2026
| Category | Products | Avg Natural % |
|---|---|---|
| Jeans | 379 | 90.8% |
| T-Shirt | 440 | 76.9% |
| Shirt | 256 | 72.9% |
| Hoodie | 20 | 71.6% |
| Shorts | 287 | 61.6% |
| Pants | 331 | 44.3% |
| Jacket | 102 | 39.7% |
| Sweater | 88 | 37.2% |
| Coat | 70 | 36.1% |
| Skirt | 685 | 32.1% |
| Dress | 3470 | 24.9% |
| Blazer | 100 | 15% |
ASOS in Other Months
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Frequently Asked Questions
What is ASOS clothing made of?
Based on our analysis of 8,629 ASOS products, the average garment is 35.1% natural fibre. The most common single fibre is Polyester (in 54.2% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.
Is ASOS cotton?
Sometimes — cotton appears in 33% of the 8,629 ASOS products we analyzed, but it's usually blended with synthetics. Only 25.4% of items are nearly all-natural (95%+ natural fibre), so check the composition before assuming a piece is pure cotton.
Is ASOS 100% cotton?
Effectively no. We didn't find any ASOS products that are 100% cotton (or near-pure, 95%+) in our database. Cotton at ASOS is almost always blended with elastane, polyester, or other fibres.
How much polyester does ASOS use?
48.2% of ASOS products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is above average for fast fashion retailers.
Is ASOS mostly synthetic?
48.2% of ASOS products are polyester-heavy (50%+ polyester). Average natural fibre content is 35.1%, so the rest of the catalog is still leaning synthetic in most cases.
Does ASOS use natural fabrics?
25.4% of ASOS products are nearly all-natural (95%+ natural fibre). Only a small fraction of their range avoids synthetic fibres entirely.
Is ASOS sustainable in terms of fabric?
Fabric composition is one factor in sustainability. With an average of 35.1% natural fibre, ASOS is below average on this measure. Natural fibres generally biodegrade and shed fewer microplastics than synthetics.
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