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A natural, insulating fibre from sheep

about
Wool

Wool is a renewable, biodegradable fibre valued for its warmth, resilience, and moisture management when sourced with animal welfare in mind

Wool, sourced from sheep, has been used for millennia as a renewable and breathable natural fibre. It is fire-resistant and fully biodegradable when untreated, with its durability supporting longer garment lifespans and circular design principles.

However, the environmental impact of wool depends heavily on farming practices. Poor grazing management can lead to land degradation, and treatments such as superwash processing or heavy chemical dyeing reduce its biodegradability. Animal welfare issues, including mulesing, tail docking, and mistreatment during shearing, persist in some supply chains.

But with responsible sourcing and careful treatment, wool can serve as a cornerstone of responsible fashion.

our ranking

Regenerative, local, and recycled wool is preferred; conventional wool is approved

A

Preferred

Preferred materials are considered to be the least environmentally impactful, sustainable, and ethical options for textile production. These materials are often made from natural, renewable resources, and are processed using methods that have minimal impact on the environment. These materials are typically more expensive than synthetic alternatives, but are considered to be worth the extra cost due to their positive environmental and ethical impact, as well as longevity and resell value at end of life.
B

Approved

Approved materials may be less expensive than preferred materials, but may not be as ethical or sustainable as Preferred materials in their production. Even when using Approved materials, certain standards and guidelines should be followed to ensure minimising negative impacts.
best sourcing practices
recommended alternatives

How to Source Better

Wool

Substitutes for

Wool

Choose certified wool from recognised standards such as Land to Market, which ensure farms commit to regenerative soil health and strong animal welfare. Additionally, look for undyed or minimally treated wool and avoid superwash processing unless necessary, to maintain the fibre's natural biodegradability and reduce chemical impact.

If your team needs support sourcing, talk to us to find out how we can help.

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Discover how we can help your team select better materials

Material sourcing and treatments often carry hidden social, environmental, and animal welfare risks. We help brands understand what they're using, and what it means.

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