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Swaddles & Sleep Bags
Stay-On Sleep Bag 2.5 Tog
A 2.5 tog sleep bag with a two-way zip and fitted armholes. It stays on all night, so you stop going in to re-cover them.
£34.95
- Helps with: blankets kicked off by midnight
- Nothing to kick off. The right warmth, all night.
- Free 188-page first-year guide in the box
Size: 6–18m
Order by 1pm (Mon–Fri) and it leaves our warehouse today. Arrives in 2–4 working days.
Free UK delivery
60-night trial
Safety-checked
What it helps with
Tucked in at 7. Blanket on the floor by 11.
Creeping in every few hours to put the blanket back over a sleeping baby.
Nothing to kick off. The right warmth, all night.
How to use
- Check the room: 2.5 tog suits roughly 16–20°C.
- Arms through the armholes, zip up from the bottom.
- For a nappy change, unzip from the bottom only.
Safety & honest notes
- A sleep bag replaces blankets; it doesn't go under them. Check their chest or the back of the neck, not their hands, to see if they're warm enough.
- It won't make them sleep through. It will stop the cold wake-ups.
What's in the box
- 1 sleep bag (2.5 tog)
- FREE: The Calmo Guide to the First Year (PDF)
Materials, care & specs
Materials: 100% cotton shell and lining, polyester wadding.
Care: Machine wash 40°C, zip closed.
| Sizes | 6–18 months, 18–36 months |
|---|---|
| Tog | 2.5 |
| Zip | Two-way, popper shoulder |
Safety standards
EN 16781:2018 (children's sleep bags)
Delivery & returns
Free UK delivery on every order, 2–4 working days. Next-day £4.95 if you order by 1pm, Monday to Thursday.
Try it for 60 nights. If it doesn't help, send it back. Returns
Before
Tucked in at 7. Blanket on the floor by 11.
Creeping in every few hours to put the blanket back over a sleeping baby.
With the Stay-On Sleep Bag 2.5 Tog
Nothing to kick off. The right warmth, all night.
How it works
Three steps. No instructions needed.
1Check the room: 2.5 tog suits roughly 16–20°C.
2Arms through the armholes, zip up from the bottom.
3For a nappy change, unzip from the bottom only.
Honest notes
What it does, and what it doesn't.
- A sleep bag replaces blankets; it doesn't go under them. Check their chest or the back of the neck, not their hands, to see if they're warm enough.
- It won't make them sleep through. It will stop the cold wake-ups.
Questions
Asked by parents like you.
Something else? Ask a real person. We reply within one working day.
Which tog do we need?
As a rough guide: 2.5 tog for 16–20°C rooms, which is most UK bedrooms most of the year. Lighter if it's warmer.
Is delivery really free?
Yes. Every order ships free across the UK in 2–4 working days, with no minimum spend. Next-day delivery is £4.95.
What if it doesn't work for us?
You have 60 nights to try it at home. If it doesn't help, send it back for a refund. Feeding and hygiene items need to be unopened.
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