Baby Bedding Guide of what to wear at different room temperatures: 27°C wear just a nappy or a sleeveless vest 25-27°C wear 0.5 tog sleep bag with sleeveless vest 22-25°C wear 1 tog sleep bag with a sleeveless vest 20-22°C wear 1.0 tog sleep bag with a shortsleeved vest 16-20°C wear 2.5 tog sleep bag with a long sleeved sleep suit / babygrow *This is just a guide as all babies are different so remember to check your baby’s temperature regularly and adjust their clothing if they are either too ho