It is an "ice attack" cooling gear that keeps you feeling cold with sweat and wind.
Sweat and wind keep you feeling cold
contents of the test:
Set the hot plate to 33 ° C (reproduce the pseudo skin surface temperature), place a general cool contact fabric and freeze tech print fabric on it, and shoot the temperature change with water drops instead of sweat. (From a thermographic coolness test conducted on October 31, 2016)