When the weather is hot, even an easy walk can become a slog which is why you need something like this to keep you cool.
The Logos Outdoor Electric Body Air Conditioner. It offers all the temperature regulation of a vest or jacket with built-in fans but in a much more convenient unit.
You can even wear it when you go shopping or during your commute to work. It comes in three colors (olive, black, light gray) for easier accessorizing!