R-Value Explained
Posted by Fran O'Donnell on May 23, 2022
What is an R-value?The R-value is a measure used to rate how well your sleeping mat will stop heat loss. Thermal resistance is the measurement that indicates a materials ability to insulate - there are a number of different ways to express this but, as they all measure the same factor, they are all related. The starting point is the R-value.In the past, some brands quoted the R-value in SI units,
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