With fall here and winter just around the corner, nothing can make an overnight backpacking trip less enjoyable than having the wrong sleeping bag.
Most sleeping bags sold today come with a temperature raiting. You should only take the rating as a suggestion and not an absolute value. Also, only compare temperature ratings within a manufacturer’s line: a 25 degree rating for one manufacturer may be a 35 degree rating for another.
Mummy style sleeping bags are the warmest style sleeping bags available because they have less air inside to heat. You can also pull the hood over your head to help warm the interior of the bag and retain your body heat.
And finally, don’t forget about your sleeping pad. The warmest sleeping bag will do you no good if you don’t have an insulating barrier between you and the cold ground. During the coldest months consider using two open celled sleeping pads stacked on top of each other.
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