I use the Steele vest. I know I should use it anytime I go outside but I don't. I'm not out in the heat that long. I do use it when I'm going to the zoo, etc. Someone will come along and provide you with the name since it evades me but there is an organization that 'lends' then free. It just requires a script form your Doctor. I say 'lens' because they don't actually give it to you it's just that they don't ask for it back.

The cheap little fans that come on a spray bottle work in some conditions. I like to keep ice water with me. I got a bottled water from the store that has the sports top. After I drank the water, I refill it about half way, freeze it and then fill it with water and take it with me. I have found that bottled water doesn't stay frozen as long.