Get a cheap/light fishing vest and put the cigarette pack size ice packs into the pockets.
You can usually get ones that look similar to the above at CVS in the summer aisle. They can last for a few hours, so just keep more in an ice bag/chest/refrigerator.
I stay cool in hot weather by laying on the couch and watching it’s always sunny in Philadelphia
I use this on my phone. Works great and doesn’t seem to drain the battery.
Suck it up
A little thing called the KiCA Jet Fan 2!
Get a cheap/light fishing vest and put the cigarette pack size ice packs into the pockets.
You can usually get ones that look similar to the above at CVS in the summer aisle. They can last for a few hours, so just keep more in an ice bag/chest/refrigerator.