They are essential pieces of outdoor equipment.
They increase the comfort of lying in countryside (they suppress surface roughness) and they insulate against cold and moisture from the ground.
Thermal conductivity is tested with the heating and cooling plate device (it means what thermally insulation mattresses is like). It is possible to test both foam and self-inflating mattresses. Important parameters are the thickness and weight, whose higher values guarantee higher insulation. In practice, it is always a compromise between the weight of the mattress and its insulating abilities ...
Missing information: designation of thermal conductivity, material composition, thickness, dimensions, roll up dimension, weight, maintenance procedures
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