2.5 TOG sleep sacks is designed for colder weather and cooler room temperatures — typically when your baby’s nursery drops below 20°C (68°F). You’ll likely reach for a 2.5 Tog sleep sack :
During cold fall and winter months
In homes that run cooler overnight below 20°C (68°F)
If your baby’s room feels chilly to the touch
When you’d normally need a warm blanket (which isn’t safe for babies) so the sleep sack is an ideal choice for this instead of a blanket.
Outdoor activities such a camping
It’s a great choice for families in the winter in cold climates in Canada and parts of the USA. Perhaps rooms that use an air conditioner and on cold winter nights that the temperature can dip well below comfortable indoor temperatures stated above.
