Your Wave is able to make you feel more comfortable without needing to affect your core body temperature.
Thermal comfort exists separately from thermoregulation.
Unless you're actually at risk of hypothermia or hyperthermia, it’s likely that your core temperature is already right where it needs to be at about 98.6 ºF.
Thermal comfort, on the other hand, depends on local thermal sensations across your entire body.
Just like when you're cold and you put your hands around a warm drink, you feel more comfortable without needing to change your core body temperature!