R Value Of Closed Cell Foam Sleeping Pad

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.

R value of closed cell foam sleeping pad. Pads with higher r values do this more effectively than pads with lower r values. A sleeping pad r value measures a sleeping pad s ability to prevent heat loss to the ground when you lie on it at night. Nemo redefined the classic closed cell foam sleeping pad to deliver more thickness and plush comfort in an industry leading packed size. Astm f3340 18 is a new testing standard that provides r value ratings for sleeping pads.

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. 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. Every sleeping pad system has an r value which measures how much insulation a pad provides to fend off the cold coming from the ground beneath you. Closed cell foam withstands years of use and abuse.

For winter camping you generally want an r value of at least 5 while three season campers only need an r value of 2 or more for most conditions. A technologically advanced closed cell sleeping pad offering very good warmth and lightweight in this class. 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. 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.

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 neoair xlite and nemo tensor insulated best summer sleeping pads. Most sleeping pads we sell range from 1 0 good for warm weather to 5 5 for use in extreme cold. The durable closed cell foam pad adds insulation and helps protect the inflatable pad from punctures or other damage.

I d been using this sleeping pad in regular size from 2013 to 2016. In order to achieve their advertised temperature ratings a sleeping bag must be paired with a sleeping pad equipped with an r value a measure of insulation of 4 0 or greater. Best sleeping pad for winter camping. Though it is less durable in comparison to traditional pads and its ridged surface may not be liked by everyone.

Therm a rest neoair uberlite and klymit static v2. Head to a blog for an in depth explanation. Therm a rest neoair xtherm best 3 season sleeping pads. The higher the r value the more insulated the pad.