What Is A Tog Rating
Hot tips for hot months – everything you need to know about choosing the right sleep bag for hot weather​.

Sleep bags are a great way of keeping your baby at a comfortable temperature while sleeping, but it can be difficult to know which TOG rating your sleep bag should be.

TOG stands for Thermal Overall Grade, and is an indication of how much a fabric insulates. Simply put, a baby sleep bag is given a TOG rating according to the amount of warmth it provides.

TOG ratings help you choose the correct sleep bag for the temperature of the room to ensure your baby isn’t too hot or too cold.

Overheating is a known risk factor for sudden and unexpected death in infancy, so it’s important to choose the right TOG to avoid overheating and reduce the risk.

Making sure your sleep bag has a TOG rating appropriate to the temperature conditions is a good way to determine which sleep bag is appropriate for your baby.

In Australia, TOG ratings range from 0.2 to 3.5, with the lower-rated bags used in warmer weather, and higher-rated bags used in colder weather.

Red Nose does not recommend a specific room temperature for healthy babies, there are things parents and carers can do to make sure their baby doesn’t overheat.

Babies control their temperature predominantly through the face and head, so making sure your baby is on their back with their head and face uncovered and dressed appropriately is the best way to avoid overheating.

Most sleep bag companies provide guides on the product’s packaging to assist in selecting the best sleep bag to suit their temperature.

Just remember, a lower TOG for warmer weather, and a higher TOG cooler weather.

Want more tips on keeping your baby safe and comfortable in warmer weather?

Head to our Safe Sleep Advice Hub or you can ask our midwives and Safe Sleep Educators a question.

Got a question about safe sleep? We’re here to help. Call our Safe Sleep Advice Line on 1300 998 698 for free, expert support and evidence-based guidance. Whether you're a parent, grandparent or carer, our Safe Sleep Educators can help you feel confident about your baby’s sleep safety. 📞 Available during business hours

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Last updated on January 8, 2026
Published on January 3, 2019

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