Question: what is a 2 season sleeping bag?
Answer: A season rating is used to inform buyers of the time of year a sleeping bag is most suitable for. ... Season one - ideal for warm summer nights, typically 5°C or above. Season two - cooler evenings in spring/summer, temperatures from around 0 to 5°C. Season three – for anywhere between 0 to -5°C, a cold night but no frost.