Do You Use Double Sleeping Pads when Cimbing Mountains?

Stacking two sleeping pads is not a difficult method to think of, as it was first seen being used during camping in Houhe in the winter of 2016. Now this method is more popular. On the one hand, it is estimated that the air cushion and foam cushion equipment have made some progress in lightweight, especially the foam cushion. The minimum value of 1.4R foam cushion is only 99 grams, and there are many styles of inflatable cushion below 300 grams. Superimposed use does not add too much weight, but it can bring additional benefits. Taken together, the value of double sleeping pads is higher.

The advantage of stacking - using two sleeping pads on top of each other not only makes them warmer and more reliable, but also has many additional benefits.

1. It is warmer. The foam pad under the air cushion can enhance the warmth retention (the R value after superposition should be less than the R value of the two), which can expand the original three season sleeping pad to four season sleeping pad. Not only can it save money, but it can also be more silent, because: the sleeping pad with a high R value (about 5 or more), or it is noisy (multiple compartments are used inside, and the materials for turning over will sound, such as the NeoAir of ThermoARest, which will be loud when turning over), or it is heavier (more thermal insulation materials are filled inside). If you can use a lower R value sleeping pad with a foam pad, the weight may not be heavier, but it may also be more silent.

2. More reliable. The superposition of the two brings more reliability than the previous one. Because the air cushion can't be used once it is punctured, the foam cushion is not preferred in many occasions but is reliable (for example, when climbing snowy mountains, many people use the foam cushion just because they are worried about the air cushion breaking). However, the comfort of the foam cushion is completely inferior to that of the air cushion. If the two are combined, both reliability and comfort will be achieved. This reliability also helps alleviate the anxiety of many mountain enthusiasts who use air cushions, especially when walking for a long time. Nights without sleeping pads can be very difficult.

3. More comfortable. The air cushion is generally 4~6cm thick. It will be softer to sleep with a foam cushion.

4. The extra foam pad can also be used for many purposes: 1) It can be used as a cushion. The foam pad is usually tied to the outside of the backpack and can be removed at any time to be used as a cushion. It is convenient to take a rest during hiking; 2) Temporary sleeping pad. During the noon break, the foam pad can be quickly taken out to lie down for a while; 3) When cleaning up the camp, you can first put some of the collected items on the foam mat, which will not be forgotten and clean.

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