It is important for the success of your work that you can call up maximum performance, for this purpose the body temperature must be in the optimal range.
This is between 36.8° and 37.5°C.
Work and protective underwear must on the one hand protect you from cooling down and on the other hand prevent your body temperature from rising above 37.5°C, so that you can make full use of your energy and strength reserves at all times. No matter whether you are exposed to extreme heat or cold. Phase Change stores your excess body heat when you get too hot and gives it back when you need it again in the cold. In low outside temperatures, the complex system has an insulating effect.