Closed Cell Foam Sleeping Pad R Value

Camping on snow also requires more insulation.

Closed cell foam sleeping pad r value.

I d been using this sleeping pad in regular size from 2013 to 2016. Therm a rest neoair xlite and nemo tensor insulated best summer sleeping pads. Astm f3340 18 is a new testing standard that provides r value ratings for sleeping pads. Closed cell foam is a dense and durable type of polyurethane foam more resistant to heat loss than open cell foam because of its capacity to screen out moisture and air.

Though it is less durable in comparison to traditional pads and its ridged surface may not be liked by everyone. Switchback features hexagonal nodes which are molded with our dual density axiotomic foam to create hypnoelastic zones that conform to your body in a perfect balance of comfort and support. Therm a rest z lite sol mattress uses an accordion style design that lies flat instantly and folds up into a small package quickly and easily. Most sleeping pads we sell range from 1 0 good for warm weather to 5 5 for use in extreme cold.

A pad with a 5 r value or you can add a foam pad under your air pad is great for cold sleepers or sleeping on snow. Because r value is additive consider using a closed cell foam pad underneath an insulated moderate or high r value air pad or self inflating pad. Polyurethane is a plastic material commonly used to build insulation panels in houses. And keep in mind that you can always use a layered set up a 3 season air pad and a lightweight closed cell foam pad for example which lends versatility in addition to warmth.

With a new and greatly improved valve system we didn t have any hesitation giving the xtherm our editors choice award once again. The higher the r value the more insulated the pad. No other pad on the market offer this amount of warmth and comfort while maintaining versatile features. Therm a rest neoair uberlite and klymit static v2.

Pads with higher r values do this more effectively than pads with lower r values. The durable closed cell foam pad adds insulation and helps protect the inflatable pad from punctures or other damage. Head to a blog for an in depth explanation. Therm a rest neoair xtherm best 3 season sleeping pads.

R value isn t a measure of warmth per se but of a pad s ability to prevent the loss of the warmth that your body generates. A technologically advanced closed cell sleeping pad offering very good warmth and lightweight in this class. The therm a rest neoair xtherm is an absolute beast that balances remarkable warmth 6 9 r value with a packable and lightweight design. While therm a rest has always used r value to rate our sleeping pads this new standardization will allow campers to make like for like comparisons with our competitors pad.

Best sleeping pad for winter camping. But in the end if you don t mind the added weight or cost a sleeping pad with a higher r value is certainly a nice piece of gear to own.