Ergopouch's most popular Bag is now with Sleeves! The 2.5 TOG Jersey Sleeping Bag with Sleeves is a baby and toddler safe-sleeping bag designed for arms-out sleepers (usually from around 3 months of age). Being 2.5 TOG-rated ensures the bag is insulated to use in room temperatures between 17-21°C with no blankets required in the cot making this a safe sleep option for baby.