Originally posted by Malaby Racing:
This is what I have and it works great! 100 Percent Cotton Cooling Vest is safe under your jacket (Includes Inserts) $89 and I got an extra set 78°F-This temperature may not sound too “cold,” however, the inserts are approximately 20°F below body temperature. This temperature can be great for anyone who wants a slight chill, but not be overwhelmed by the cold. This temperature also has the ability to charge at room temperature.
The 78°F works and you can recharge it at room temperature (70).
https://alltuffusa.com/