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It doesn't matter whether you're in a tent in your back garden or half-way up Everest, the right sleeping bag will make all the difference
You will find that almost all sleeping bags have technical ratings. These tend to be temperature figures that determine how the bag performs under certain conditions. There are season ratings that run from 1-4, and temperature ratings that define the upper and lower limits of the bag. A one-season sleeping bag, for example, is only really suitable for the warmest of summer nights. A four-season sleeping bag, on the other end of the spectrum, will protect you when camping in the colder, winter months. What do temperature limits on a sleeping bag mean? Temperature limits are rated as the upper...