They are more comfortable, warmer and have smaller dimensions after compression . For their high thermal comfort corresponds specially designed design. BASE self-inflating mats should not be placed on, for example, stones with sharp-edged edges as they may pierce. However, if you accidentally forget it, you do not have to worry. The manufacturer has included a repair kit in the form of a patch and a tube of glue. BASE is offered with a handy cover.
TOG Factor describes thermal resistance - heat level, insulation from the ground, comfort of use. The higher the Tog index, the higher thermal properties at lower temperatures. The standard for 1-3 seasonal mats is 1.5 to 2.5 Tog, for 4-season mats ranging from 2.5 to 4 Tog, for 5-season mat (expedition and Arctic) over 4.5 Tog.