Sleeping Bags

Temp Ratings

Sleeping bags today are almost all rated using the same standard, called an EN rating (labels will indicate its use). The test was developed in Europe, and it’s a great tool to use when comparing bags. But the accuracy of any rating depends totally on the bag’s user. Factors that can impact the true temperature rating of your bag include your metabolism (some people naturally sleep warmer than others), your gender (women tend to sleep colder than men), the size of your body, the efficiency of your sleeping pad, and your level of fatigue and nutrition.

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