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49758085611826
2.5 TOG
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The Sleep Onesie is a TOG-rated sleeping bag alternative, designed to be worn on its own during sleep or with a Layer/PJs underneath for warmth and comfort.
Rated 4.8 out of 5 stars
1,908 Reviews
Regular Price
% OFF (SAVE $)
Size Guide
Sleep Onesie
Please use your child's height to find the most appropriate and safe size for them. The Sleep Onesie should be fitted around the neck to avoid your child slipping through. 2.5 TOG and 3.5 TOG Sleep Onesies should not be used in a 5-point harness or car seat for safety reasons.
| ergoPouch size | 6-12M | 12-24M | 2-3Y | 4-5Y | 6-8Y | 8-10Y | 10-12Y |
|---|---|---|---|---|---|---|---|
| Same as size | 0-1y | 1-2y | 2-3y | 4-5y | 6-8y | 8-10y | 10-12y |
| Pouch length (cm/inch) | 74cm / 29.1" | 84cm / 33.1" | 88cm / 34.6" | 98cm / 38.6" | 110cm / 43.3" | 120cm / 47.2" | 130cm / 51.2" |
| Chest width (cm/inch) | 27.5cm / 10.8" | 30.5cm / 12" | 32cm / 12.6" | 35cm / 13.8" | 38cm / 15" | 40cm / 15.7" | 42cm / 16.5" |
| Child height (cm/inch) | 68-84cm / 26.8 - 33.1" | 76-92cm / 29.9 - 36.2" | 92-100cm / 36.2 - 39.4" | 108-115cm / 42.5 - 45.3" | 120-130cm / 47.2 - 51.2" | 130-140cm / 51.2 - 55.1" | 140-150cm / 55.1 - 59.1" |
- Free delivery on orders over $100*
- Estimated dispatch: 21 June 2025
- 30 day returns & exchanges*
1,908 reviews
- Natalie T.Verified Buyer4 minutes agoReviewingSleep Onesie 2.5 TOG PicnicRated 5 out of 5 starsBest brand of sleepwear
My 16 month old has worn ergopouch jumpsuits and sleep sacks from birth. The 2.5 tog jumpsuits are excellent quality and warmth!
- Julie B.Verified Buyer23 hours agoReviewingSleep Onesie 3.5 TOG PicnicRated 5 out of 5 starsWarm and cosy
My grandson loves his onsie.
- Francesca1 week agoReviewingSleep Onesie 3.5 TOG PartyRated 5 out of 5 stars5 Stars
Love this suit. So warm and cosy for my son.