What is TOG?

TOG is a measurement of warmth and stands for ‘Thermal Overall Grade’, which is a used determine the thermal insulation of a product. Our sleep bags and sleep suits use TOG rating to show the warmth they provide –  the higher the TOG, the warmer the product.

What TOG should I use?

There are a variety of factors that will help determine the right TOG rated sleep bag/suit to use. Consider the ambient temperature of the room, how much clothing they will be wearing, and of course your baby’s overall temperature.


See the chart below to determine which TOG rating is right for you.

Tog Diagram