Thread Report · 261 products analyzed · Updated June 12, 2026
What is Stradivarius made of?
It depends what you buy. Stradivarius is a mixed bag — some categories are mostly natural, others are mostly plastic. Here's where to shop smart.
According to Fibr's Thread Report (June 2026), 21.1% of Stradivarius's 261 analysed products are majority-synthetic, with an average natural-fibre content of 53.8%.
Stradivarius's jeanss are 93.9% natural fibre, but their skirts are just 34.1%. That's a 60-point gap — where you shop within Stradivarius matters as much as whether you shop there at all.
The full picture on Stradivarius.
Stradivarius sits in the middle of the pack with an average of 53.8% natural fibre across 261 products — a mix of natural and synthetic. About 21.1% of products are polyester-heavy, a notable but not dominant share. 34.5% of products are nearly all-natural (95%+ natural fibre). The most common fibre across Stradivarius products is Cotton, appearing in 47.9% of items.
How Products Break Down
- 31.8%
Synthetic
<30% natural fibre · 83 products
- 30.3%
Blend
30–85% natural fibre · 79 products
- 37.9%
Natural
85–100% natural fibre · 99 products
Most Common Fibres (% of products containing)
Where to buy (and avoid).
Not all categories at Stradivariusare equal. Here's where the natural fibres are.
Safe Zones · 70%+ natural
Mixed Bag · 40–70% natural
Caution · under 40% natural
What we found.
Across 261 products analyzed, Stradivarius averages 53.8% natural fibre content.
21.1% of Stradivarius products are majority polyester — that's 55 items made mostly from plastic.
Stradivarius jeanss are their strongest category at 93.9% natural fibre (44 products).
Their weakest category: skirts at just 34.1% natural (20 products).
Only 34.5% of products (90 items) are 95%+ natural fibre.
| Category | Products | Avg Natural % |
|---|---|---|
| Jeans | 44 | 93.9% |
| T-Shirt | 20 | 85.7% |
| Shirt | 5 | 59.8% |
| Shorts | 8 | 58.8% |
| Pants | 37 | 46.1% |
| Dress | 36 | 41.8% |
| Skirt | 20 | 34.1% |
Sample Products
A selection of Stradivarius products from our database — from most natural to most synthetic. Click to view on the retailer's site.
The verdict.
Stradivarius isn't great, but it's not the worst either. You can find natural fibre products here if you know where to look. Stick to the categories we flagged as safe zones, and check individual items with Fibr before buying.
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Frequently asked questions.
What is Stradivarius clothing made of?
Based on our analysis of 261 Stradivarius products, the average garment is 53.8% natural fibre. The most common single fibre is Cotton (in 47.9% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.
Is Stradivarius cotton?
Sometimes — cotton appears in 47.9% of the 261 Stradivarius products we analyzed, but it's usually blended with synthetics. Only 34.5% of items are nearly all-natural (95%+ natural fibre), so check the composition before assuming a piece is pure cotton.
Is Stradivarius 100% cotton?
Some pieces are. Of the 261 Stradivarius products we analyzed, 88 are 100% cotton (or near-pure, 95%+) — that's 33.7% of the catalog. The rest are blends.
How much polyester does Stradivarius use?
21.1% of Stradivarius products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is below average for fast fashion retailers.
Is Stradivarius mostly synthetic?
21.1% of Stradivarius products are polyester-heavy (50%+ polyester). Average natural fibre content is 53.8%, so the rest of the catalog is mixed.
Does Stradivarius use natural fabrics?
34.5% of Stradivarius products are nearly all-natural (95%+ natural fibre). A decent portion of their range avoids synthetic fibres entirely.
Is Stradivarius sustainable in terms of fabric?
Fabric composition is one factor in sustainability. With an average of 53.8% natural fibre, Stradivarius is about average 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/stradivarius.json ↓
- Computed stats (JSON)
- /api/thread-report/stradivarius
Suggested citation
Fibr Thread Report — Stradivarius, 2026-06-12. tryfibr.app/thread-report/stradivarius
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