365 Sleep Bag 2.0 - Mix & Match / 4-in-1

The 365 Sleep Bag 2.0 / 4-in-1 consist of two configurable bags:
- A cool Summer bag (0.5 Tog, recommended for 22°C and above)
- and a mild Autumn/Spring bag (quilted 2.5 Tog, for 18-22°C).
The two bags can be used separately or can be zipped up together to form a warm Winter bag (approx 3.0 Tog, recommended for below 18 degrees).

MIX & MATCH / 4-in-1 consist of two configurable bags as follows:
- A 0.5 Tog Bag in Turtle Tale Print
- and a 2.5 Tog Bag in Sleepy Animals Print.

• For full list of features visit our main product page here
• Scroll further down for sizing and dressing guide
• Read our product FAQs here
• Read our reviews here
• Shipping info can be found here

Availability: In stock

Product Option Price Qty
4-in-1 / Sizes 0-3 (6-36 Months)

Sold Out

4-in-1 / Sizes 4-5 (3-5 Years)
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Sizing guide

The 365 Sleep Bag 2.0 comes in two generous sizes:

  • 0-3 (6-36 Months)
  • 4-5 (3-5 Years)

Below is the sizing guide.

Sleep bag size



Approx. recommended age

6-36 Months

3-5 Years

Sleep bag length



Full sleeve (2.5 Tog sleep bag) length (From side of neck to wrist.)

At size 0: 31 cm
At size 2: 40 cm (extended)
At size 3: 43.5 cm (extended)

At size 4: 46.5 cm
At size 5: 50 cm (extended)

Neck circumference

38 cm

40 cm

Widest width at the legs

50 cm

53 cm

- All measurement are approximate and are for guidance only as all babies are different.

How should I dress my baby underneath the sleep bag?

The 365 Sleep Bag 2.0 is designed to be used instead of blankets and top sheets. The table below shows guidelines for the amount of clothing for your baby and the correct 365 Sleep Bag 2.0 configuration that should be used in different room temperatures.

Please remember, though, that babies are all different; additionally, other factors such as humidity in your region, whether there is heating in the house, and your baby's health (whether your baby has a cold or infection or another special need)  can determine how you should dress your baby.

Dress your baby to be comfortable, neither too hot nor too cold. Feel your baby's chest regularly to check his/her temperature. Don’t worry if baby’s hands, face, and feet feel cool - this is normal. If your baby is sweating or has a red face, remove some clothing and/or use a lower tog configuration. This may be necessary if your baby is unwell, in which case you should seek medical attention.

Nursery Temperature

Combined Winter Bag 3.0 Tog
14-18°C / 57-64°F

Autumn/Spring Bag 2.5 Tog
18-22°C / 64-71°F

Summer Bag 0.5 Tog
22°C + / 71°F+

26°C / 79°F



Short-sleeved Bodysuit

24°C / 75°F



Long-sleeved Bodysuit

22°C / 71°F


Short-sleeved Bodysuit

Short-sleeved Bodysuit

+ PJs or All-in-One

20°C / 68°F

Short-sleeved Bodysuit

Long-sleeved Bodysuit


18°C / 64°F


+ PJs or All-in-One

Short-sleeved Bodysuit

+ PJs or All-in-One


16°C / 61°F

Short-sleeved Bodysuit

+ PJs or All-in-One



14°C / 57°F

Long-sleeved Bodysuit

+ PJs or All-in-One



- This dressing guide is for general guidance only as all babies are different.
- A FREE room thermmeter with a dressing guide is included with your order.


More questions answered at our FAQ page

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