Anyone ever tied "Arctic Cool" shirts?

[garyp]

Claim is that that the shirt provides a cooling effect when you sweat - the more you sweat, the cooler it gets.

I have tried...how effective has it been? Does it stay cool as you sweat, or at some point does any benefit drop off?

Explanation of technology:

https://arcticcool.com/technology/

Example product:

https://arcticcool.com/shop/mens-short-sleeve-crew/