Five natural fibres, what each is actually good for, and — where the claim gets oversold — an honest word about it. Jump to the Shop for brands, or the Journal for the full deep-dives.
From the flax plant. Strong, naturally antibacterial, gets softer with every wash.
Best for: bedding, summer clothing, tablecloths and anything that benefits from breathability. Softens over years rather than wearing out — one of the few fabrics that genuinely improves with age.
See Linen brands in the ShopSoft and breathable — but only a genuine natural-fibre win when it's organic.
Best for: everyday clothing, underwear, bedding. Worth being picky here — conventional cotton is one of the most pesticide-intensive crops grown, so the "organic" or GOTS label is doing real work, not just marketing.
See Cotton brands in the ShopNaturally flame-resistant, temperature-regulating, odour-resistant. Merino is the fine, next-to-skin grade.
Best for: mattresses, knitwear, base layers, winter bedding. British wool in particular has a head start on regenerative credentials — see the Regenerative Farming page for more.
See Wool & Merino brands in the ShopOne genuinely low-impact fibre, and one that's more complicated than the label suggests.
One of the most genuinely low-impact fibres available — hemp grows densely with minimal water, no pesticides, and actually improves the soil it's grown in. The fabric itself is strong, breathable and gets softer with wear, similar to linen.
The bamboo plant itself is fast-growing and low-input. But almost all "bamboo fabric" on the market is bamboo viscose (rayon) — the raw plant is dissolved using chemicals to spin it into soft fibre, a process that undoes a lot of the plant's low-impact credentials. It's not dishonest to call it "made from bamboo," but it isn't the same as a mechanically processed natural fibre like linen or hemp.
The genuine improvement is bamboo lyocell — made using a closed-loop process that recaptures and reuses the chemicals rather than releasing them, similar to Tencel. If a bamboo product doesn't specify lyocell or a closed-loop process, assume it's standard viscose and treat the "natural" framing with a little scepticism.
See Hemp brands in the ShopA natural protein fibre spun by silkworms — luxurious, breathable, and worth knowing the ethics of before buying.
Conventional silk production kills the silkworm inside its cocoon to keep the thread unbroken. Peace silk (also called Ahimsa silk) lets the moth complete its natural lifecycle and emerge before the cocoon is used — the thread is shorter and slightly less glossy as a result, but no silkworm is killed in the process. If cruelty-free matters to you, "peace silk" or "Ahimsa silk" on the label is the term to look for.
Best for: pillowcases (genuinely reduces hair and skin friction overnight), sleepwear, occasion wear. Not grown in meaningful volume in the UK — even "British" silk brands source the raw silk from established silk-growing regions and finish or make up the garments here.
See Silk brands in the ShopSofter than sheep's wool, hypoallergenic, and — when British-farmed — one of the lowest-impact fibres around.
Alpacas are gentle on the land they graze — soft-footed, they don't damage pasture the way heavier livestock can, and they need less water and food than sheep or cattle. Their fleece contains no lanolin, which is part of why alpaca knitwear is often more comfortable for people with wool sensitivities.
Best for: jumpers, scarves, blankets — anything that benefits from extra warmth without extra weight. UK alpaca farming is small-scale but growing; buying British-farmed alpaca (rather than imported South American alpaca) cuts the food-mile footprint substantially.
See Alpaca brands in the Shop