A tog measurement is a European warmth rating: the higher the tog, the warmer the product. Grobag baby sleep bags are available in four tog ratings.
Cold temperatures, for cold rooms
16°C (61°F) and below
All year round, for standard rooms
Summer and daytime naps, warmer weather and in rooms
Holiday and heatwaves, hot weather and very warm rooms
What to Wear
A number of factors determine the tog rating of the baby sleep bag that should be used. These include the number of clothes your baby is wearing, the temperature of their bedroom and your baby's health.