The Baby Sense Winter Sleepy Sac is a wearable baby sleeping bag made from 100% cotton, designed to keep your little one comfortably warm through colder nights. With a TOG rating of 2.5 and a soft flannel lining, this winter sleeping bag is built for the cooler months, and its zip-up design means baby stays covered without the loose blankets that so often end up kicked off in the early hours.
It's designed for babies from around 5 to 18 months (and sometimes a little older, depending on size), giving you a warm, fuss-free layer to work into your bedtime routine as the seasons change.
Made for winter nights
The Sleepy Sac is constructed from two layers of 100% cotton and lined with soft flannel for extra warmth against the skin. The breathable cotton helps reduce the risk of overheating, while the TOG 2.5 rating is suited to colder, wintry conditions. As always, warmth also depends on your room temperature and what baby is wearing underneath, so use the rating as a guide alongside a comfortable base layer.
An alternative to loose blankets
Because it's worn rather than laid over baby, the Sleepy Sac means there are no loose covers in the cot to be pushed around or kicked off. That's helpful on two fronts: it removes loose bedding from the sleep space, and it keeps baby covered right through to morning, when little ones often cool down and wake. The Sleepy Sac is British Standard approved for safe sleep.
Easy night-time changes
A front zip opens the Sleepy Sac fully, so nappy changes and getting baby in and out are straightforward, even in the dark.
Best For
The Baby Sense Winter Sleepy Sac is a great option for parents who:
- Want a warm winter layer for a baby roughly 5 to 18 months old
- Prefer a wearable sleeping bag over loose blankets that get kicked off
- Like the breathability of 100% cotton for colder nights
- Value quick front-zip access for night-time changes
It may not be the best fit if you're shopping for lighter, summer-weight sleepwear, as this is a warmer TOG 2.5 winter option.
Disclaimer
Always follow safe-sleep guidance: place baby on their back to sleep on a firm, flat, level surface with a fitted sheet, and keep the sleep space clear. Check that the neck and arm openings fit correctly so baby's head cannot slip inside, and review the fit as your baby grows.
British Standard approved for safe sleep – no loose blankets needed
Easy front zipper for hassle-free nighttime changes
Soft flannel lining for extra warmth and comfort
Tog rating 2.5, perfect for winter nights
- 1x Baby Sense Winter Sleepy Sac