Materials

Vegan substitute for Wool

Wool warmth comes from crimped fibre trapping air. Several plant and recycled fibres do the same without shearing, mulesing or slaughter.

Options, ratios and best uses

Organic cotton fleece

n/a

Breathable, machine washable, widely available.

Best for: jumpers, mid-layers

Tencel / lyocell

n/a

Closed-loop production, silky drape.

Best for: knits, base layers

Recycled polyester fleece

n/a

Wash in a microfibre bag.

Best for: outdoor warmth

Hemp blends

n/a

Softens with each wash; very low input crop.

Best for: durable knitwear

Tips

  • Layer thin fabrics rather than one thick one
  • Look for recycled content percentages
  • Second-hand is the lowest-impact choice

Avoid

  • Assuming "responsible wool" means no slaughter
  • Buying thin acrylic that pills in a season

Questions people ask

Is wool not just a haircut?

Sheep are bred for unnatural fleece volume, mulesed in some regions and slaughtered when yields drop.

What is warmest without wool?

Recycled polyester fleece or a down-free synthetic insulation layer.

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