tæla eco

Organic is not the finish line: what regenerative cotton means for the next uniform

The organic logo on a school shirt tells you something real. It tells you the cotton was grown without synthetic pesticides or synthetic fertiliser, on land that has been free of them for at least three years. That is not nothing. For most of my career I treated it as the end of the enquiry, and I now think that was a mistake.

In April, Better Cotton, which touches more cotton by volume than any other standard in the world, began its transition to a regenerative standards system. Its revised Principles and Criteria, version 3.2, took effect on 1 April 2026. The word regenerative has been circling this industry for years, mostly in marketing decks. Watching it enter the criteria of a mainstream standard is a different matter, and it is worth being precise about what it changes.

Absence of harm is not the same as repair

Organic certification is, structurally, a prohibition list. It defines what must not be applied to a field. Regenerative frameworks ask a question pointing the other way: is the soil in better condition after this crop than before it? That gets measured through soil organic carbon, living root cover across the year, rotation and crop diversity, water infiltration, and whether livestock or cover crops sit in the cycle. A field can satisfy every prohibition on the organic list while its topsoil continues to thin. A field can also be rebuilt under a regenerative programme without being certified organic at all, because some regenerative schemes permit limited synthetic input.

I learned to separate those two ideas properly during the circular economy course I took at Cambridge, and the lesson that stuck was procedural rather than technical. Before you accept a standard, ask what it measures and, more importantly, what it is silent about. Almost every argument I have had with a supplier since then has come down to a claim being made in the area where the certificate says nothing.

Regenerative is not yet one thing

I would rather say this plainly than let the word do quiet work. There is no legal definition of regenerative agriculture in the EU and no single scheme behind it. Some programmes are practice-based: they certify that the farmer did particular things, such as reducing tillage or planting cover crops. Others are outcome-based: they measure a result, usually soil carbon, over years. Outcome-based verification is slower and far more expensive, which is why less of it exists. Both can be honest. They are not interchangeable, and a garment label that says regenerative without naming the scheme is telling you very little.

Where this lands in a shirt

None of this stays abstract by the time it reaches a child. Growing conditions affect staple length and micronaire, and staple length is what decides whether a yarn can be combed and ring-spun into something that resists pilling through four years of playground use. Healthier soil tends to give a more consistent boll, and consistency is what a spinner is actually paying for. I am not going to tell you a regenerative field guarantees a stronger shirt, because the published evidence for that is still thin and I have not run the comparison myself. What I will say is that the farming and the fabric were never separate conversations, and the trade has spent a long time pretending they were.

The question I would ask

If you are choosing uniform for a school, do not ask whether the cotton is certified. Ask which standard, which version of that standard, and what the version measures. Ask whether the claim covers the fibre alone or the whole processing chain, because those are two different certificates issued by different bodies. Ask when it expires.

On our own garments the answer sits in the lot record: the batch, where the fibre was grown, the standard it was grown under, the certificate and its expiry date. Where we do not have a verified answer, we mark it self-declared. It is a less attractive word than the alternatives and it is the only one I am willing to use.

Organic was a floor, and a good one. Twenty years in, I would rather ask what a field is being rebuilt into than only what it has been spared.