Dougler Face Mask for winter is designed to keep the body temperature in it.

Body temperature maintenance is essential to keeping the body temperature from falling in winter when a metabolism is 10% and above faster compared with summer

Particularly, the neckline has little fat; so, it is quite sensitive to temperature fluctuations and the passage through which the heat escapes from the body.

Dougler Face Mask is designed ergonomically to store the heat of the upper body in the mask.

The Thermocell technology raises wind chill factor to 5 degrees or more by forming a film storing the body heat in collarbone, throat, face, and head.

Dougler’s body heat storage system raises wind chill factor to 5 degrees or more.