Living
Wool vs plant and synthetic fibres
Wool is the hardest animal material to argue about, because it performs superbly and biodegrades, while its alternatives often shed microplastics. The welfare questions — mulesing, live export, and slaughter at the end of productive life — are what put it on the wrong side of the line for vegan wardrobes.
Side by side
| Criterion | Wool | Plant and synthetic fibres |
|---|---|---|
| Performance | Excellent warmth-to-weight, moisture management and odour resistance. | Acrylic is warm but shedding; organic cotton and hemp breathe but insulate poorly; TENCEL and recycled synthetics sit in between. |
| Welfare | Mulesing is still legal in major producing regions; sheep are slaughtered when fleece yield drops, and live export remains a flashpoint. | No animals involved. |
| End of life | Biodegrades. | Plant fibres biodegrade; synthetics do not and shed microfibres throughout their life. |
| Land and emissions | Sheep are ruminants, so wool carries enteric methane and significant grazing land use. | Lower land use; synthetics carry fossil-feedstock emissions instead. |
Questions people ask
- Is wool cruelty-free if it is non-mulesed?
- Non-mulesed certification removes one specific practice. Shearing injuries, live export and end-of-life slaughter are unaffected by that label.
- What is the best vegan alternative to wool?
- For warmth without microplastics, look at organic cotton fleece, hemp blends, TENCEL Lyocell and recycled-content insulation, and wash synthetics with a filter.