Dinosaurs long pyjama set for kids in pure cotton

Why Children's Sleepwear Should Be Pure Cotton

Every set of children's sleepwear we make is cotton. Not modal, not silk, not a blend — plain cotton, deliberately. This is why.

A word about "organic"

Organic cotton is a real thing with a real definition: grown without synthetic pesticides, herbicides or fertilisers, and without genetically modified seed. On an organic farm the crop is rotated rather than grown as monoculture, pests are managed biologically, compost replaces synthetic nitrogen, and hand-picking removes the need for the chemical defoliants used to strip leaves before machine harvest.

The clearest beneficiaries are the people doing the work. Cotton has historically accounted for a wildly disproportionate share of global insecticide use relative to the land it occupies, and the exposure falls on farm workers and the communities around the fields. That is the strongest argument for organic cotton anywhere — and it has nothing to do with what ends up on your child's skin.

It is also a certification, not an adjective. The word means something only when a third party has audited the chain and issued a certificate number. We hold no organic certification, so we do not put the word on our cloth. We call it cotton, because that is what we can stand behind. Everything below is an argument for cotton, which is the choice we actually made. The same test applies to every other word on a sleepwear label, as we set out in what sustainable sleepwear really means.

Why children's sleepwear specifically

Four reasons, in rough order of how much they matter:

1. Contact time is enormous. A child sleeps ten to twelve hours a night. Nothing else in their wardrobe is against their skin for half of every day, for years.

2. Skin is more reactive. Children's skin is thinner and more permeable than adult skin, and reacts more readily to residues — which in practice usually means dye and finishing residues rather than field chemicals. Washing new sleepwear before first wear removes most of what is left, whatever it is made of.

3. It survives real laundry. Children's sleepwear gets washed constantly and occasionally hot. Cotton tolerates that better than almost anything: it takes a warm wash, a tumble dryer and a nightly cycle without complaint. Silk would be absurd here; modal is unnecessary.

4. It breathes and it is simple. Cotton moves air well and does not hold static. There is nothing clever about it, which is exactly what you want at 2am.

Speed Racer short crewneck pyjama set for kids in pure cotton
Ten to twelve hours a night against the skin — the highest-contact garment a child owns.

The children's range runs to two shapes: a short crewneck set for summer and warm rooms, and a long set for the rest of the year. Both are cut with flat seams and a soft neckline for the reason given at the end of this article.

What cotton does not fix

Two things, and we would rather say them than let the cloth do more work than it has earned.

Water. Cotton is thirsty however it is grown, and nothing about the way we buy it changes that. Flax and beech-derived modal both use dramatically less water per tonne of fibre. If water is the metric you care most about, cotton is not the winner in our range — linen is.

Dyeing and finishing. A large share of textile pollution happens after the farm, at the dyehouse. How a fibre was grown says nothing on its own about what happened to the fabric afterwards.

So: cotton is the right cloth for this particular garment, on this particular wearer. That is a narrower claim than the one the word "organic" would let us make, and it is the one we can actually keep.

Practical buying notes for children's sleepwear

  • Wash before first wear. This removes manufacturing and finishing residues and softens the fabric. Do it with everything, whatever the label says.
  • Skip fabric softener. It coats the fibres and reduces absorbency, which is the opposite of what you want in sleepwear. Half a cup of white vinegar in the rinse does the softening job without leaving a film.
  • Buy a size up, not two. Sleepwear should be relaxed, but genuinely oversized nightwear is a trip hazard on stairs.
  • Two sets minimum. One on, one in the wash. Rotating halves the wear on each and makes them last roughly twice as long — the cheapest sustainability measure there is.
  • Check the seams, not the print. Flat seams and a soft neckline decide whether a child will actually keep it on.
Lucky Dice long pyjama set in pure cotton
Cotton runs through our adult ranges too, not just the kids' sets.

Beyond the children's range

Cotton is not only in the kids' sets — several of our adult ranges use it as well, for people who want a straightforward natural fibre that takes a warm wash and a tumble dryer without ceremony. The Navy Zebra crewneck set and the Pink Cheetah long set are both cut from it, and both have a matching family version if you want the whole house in the same print.

A laughing family in bed, mother and daughter in Ripe Lemon and father and son in Navy Zebra.
The whole house in matching prints: family sleepwear, including the kids' Ripe Lemon short set.

Browse the pure cotton range, the kids' sleepwear, or read where we stand on materials generally on our sustainability page.

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