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What is TOG? How thick is it? How warm is the Sleeping Bag?

It’s important for every parent to make sure their baby sleeps as comfortably as possible — and that includes choosing the right sleepwear. While browsing sleeping bags, you’ve probably come across the term "TOG".
If you're not sure what it means or how to choose the right TOG-rated sleeping bag for your little one, this article is here to help.

What is TOG?

TOG (Thermal Overall Grade) is a unit of measurement that shows the thermal insulation ability of a material. TOG values range between 0.1 and 4.0. The higher this value, the better the material retains heat.

This value is used in the textile industry (for blankets, quilts, and sleeping bags) to select the most appropriate one based on the room temperature. LiaaBébé sleeping bags have been tested by TUV Rheinland and Intertek, so the sleeping bags are guaranteed to have the proper TOG values.

Three children sitting wearing bamboo toddler sleeping bags

What TOG value sleeping bag should you choose?

Now, let's explore how to choose the most ideal sleeping bag for your child, including why it’s important to pay attention to the TOG rating, which indicates the warmth and thickness of sleeping bags designed specifically for children.

Choosing a sleeping bag is not a matter of season!

The first important thing to know, whether you are a new or experienced parent, is that using a sleeping bag depends not on the season but on the room temperature. This should be the first factor you consider before making a purchase.

When the average room temperature is between 20–24°C , your child will need a transitional sleeping bag, which you can find in our collection. Sleeping bags with a TOG rating of 1.0 to 1.5 are suitable for your child to wear from autumn through spring.

We recommend 1.0 TOG sleeping bags for rooms with temperatures between 21–24°C, while 1.5 TOG sleeping bags are suitable for rooms between 20–23°C.

If the house is cooler during the winter months, around 19–21°C, we suggest using 2.5 TOG sleeping bags for your baby, which provide sufficient warmth.

For the warm summer months, a baby or toddler sleeping bag with a 0.5 TOG rating is ideal. It is made from two layers of soft, silky bamboo fabric. This sleeping bag can also be a good choice for cooler months, provided the baby’s room is kept warm enough.

How to dress children for sleep – guide with TOG ratings, room temperature, and appropriate clothing

Here are some important tips to help you choose a sleeping bag with the right TOG value for your child’s sleep:

- If the thermometer isn’t placed in the child’s room but, for example, in the living room, you might not have an accurate idea of the temperature your child is actually sleeping in. The child’s room could be much colder or warmer than the room where the thermometer is.

- It also matters how close the thermometer/child's bed is to the window and how much cold air comes in, i.e. how well it closes.

- How far away is the heating unit?

- It’s also worth checking the thickness of the mattress. (Mom’s tip: If the mattress is thin, you might need a warmer blanket between the sleeping bag and the sheet.)

If your child often wakes up during the night, one possible reason could be that they are either too warm or too cold in their sleeping bag. If they wake up flushed and tired, it’s likely they were dressed too warmly.

View our Sleeping Bag range.

Three glowing customer reviews praising the Aubergine Purple Bamboo Toddler Sleeping Bag for its high-quality, super soft material and how it helps children sleep peacefully through the night, accompanied by a 5-star rating.