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VegEco

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

Wool compared with Plant and synthetic fibres
CriterionWoolPlant and synthetic fibres
PerformanceExcellent 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.
WelfareMulesing 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 lifeBiodegrades.Plant fibres biodegrade; synthetics do not and shed microfibres throughout their life.
Land and emissionsSheep 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.

Our reporting on this

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