Thread Report · 962 products analyzed · Updated July 5, 2026

What is House of CB made of?

It depends what you buy. House of CB 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 (July 2026), 8.5% of House of CB's 962 analysed products are majority-synthetic, with an average natural-fibre content of 53.9%.

962Products Analyzed
53.9%Avg Natural Fibre
8.5%Polyester-Heavy
34.9%Nearly All-Natural

House of CB's shirts are 92.9% natural fibre, but their blazers are just 3.5%. That's a 89-point gap — where you shop within House of CB matters as much as whether you shop there at all.

The full picture on House of CB.

House of CB sits in the middle of the pack with an average of 53.9% natural fibre across 962 products — a mix of natural and synthetic. Only 8.5% of products are polyester-heavy — relatively low compared to many retailers. 34.9% of products are nearly all-natural (95%+ natural fibre). The most common fibre across House of CB products is Elastane, appearing in 56.7% of items.

How Products Break Down

962Products
  • Synthetic

    <30% natural fibre · 257 products

    26.7%
  • Blend

    30–85% natural fibre · 347 products

    36.1%
  • Natural

    85–100% natural fibre · 358 products

    37.2%

Most Common Fibres (% of products containing)

Elastane
56.7%
Cotton
35.3%
Viscose
28.7%
Nylon
25.7%
Polyester
16.3%

Where to buy (and avoid).

Not all categories at House of CBare equal. Here's where the natural fibres are.

What we found.

Across 962 products analyzed, House of CB averages 53.9% natural fibre content.

8.5% of House of CB products are majority polyester — that's 82 items made mostly from plastic.

House of CB shirts are their strongest category at 92.9% natural fibre (7 products).

Their weakest category: blazers at just 3.5% natural (5 products).

Only 34.9% of products (336 items) are 95%+ natural fibre.

All categories ranked by natural fibre percentage
CategoryProductsAvg Natural %
Shirt792.9%
Hoodie2390.3%
Sweater2073.8%
T-Shirt670%
Dress60455.9%
Skirt4451%
Pants3845.6%
Shorts1237.5%
Jacket723.1%
Blazer53.5%

Sample Products

A selection of House of CB products from our database — from most natural to most synthetic. Click to view on the retailer's site.

The verdict.

House of CB 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.

Members only

Pro Report — House of CB

Extended composition data, sample products, and a downloadable PDF for every brand we track.

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  • Per-category breakdown with sample products
  • Month-over-month delta charts
  • Downloadable PDF report for every brand we track
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Frequently asked questions.

What is House of CB clothing made of?

Based on our analysis of 962 House of CB products, the average garment is 53.9% natural fibre. The most common single fibre is Elastane (in 56.7% of products). The remaining material is typically synthetic — polyester, polyamide, or acrylic.

Is House of CB cotton?

Sometimes — cotton appears in 35.3% of the 962 House of CB products we analyzed, but it's usually blended with synthetics. Only 34.9% of items are nearly all-natural (95%+ natural fibre), so check the composition before assuming a piece is pure cotton.

Is House of CB 100% cotton?

Some pieces are. Of the 962 House of CB products we analyzed, 272 are 100% cotton (or near-pure, 95%+) — that's 28.3% of the catalog. The rest are blends.

How much polyester does House of CB use?

8.5% of House of CB products are polyester-heavy, meaning polyester makes up 50% or more of the garment. This is below average for fast fashion retailers.

Is House of CB mostly synthetic?

8.5% of House of CB products are polyester-heavy (50%+ polyester). Average natural fibre content is 53.9%, so the rest of the catalog is mixed.

Does House of CB use natural fabrics?

34.9% of House of CB products are nearly all-natural (95%+ natural fibre). A decent portion of their range avoids synthetic fibres entirely.

Is House of CB sustainable in terms of fabric?

Fabric composition is one factor in sustainability. With an average of 53.9% natural fibre, House of CB is about average on this measure. Natural fibres generally biodegrade and shed fewer microplastics than synthetics.

Methodology: We analyzed 962 House of CBproduct pages, extracting the fabric composition listed by the retailer. Products are categorized by name keywords. Natural fibre percentage is the sum of all natural fibres (cotton, linen, silk, wool, viscose, lyocell, etc.) in each product's composition. Data is refreshed monthly.

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
License
Free to cite with attribution
Raw dataset (JSON)
info.tryfibr.app/houseofcb.json ↓
Computed stats (JSON)
/api/thread-report/houseofcb

Suggested citation

Fibr Thread Report — House of CB, 2026-07-05. tryfibr.app/thread-report/houseofcb

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