Hi there, congratulations on your wedding, that’s lovely as is your very practical approach - your hair isn’t the most important thing on a day like that. I wore a wig right through summer, but in Melbourne, which can be just as hot as Brisbane but usually much less humid. I had a light synthetic wig, which never felt heavy and didn’t itch. It was also really easy to look after. The Melbourne supplier isn’t much good to you but I am sure there are good options in Brisbane. I would suggest look for a supplier for cancer and alopecia patients, because they know about sensitive scalps, how to adjust your wig when your hair starts to grow back and wearing a wig regularly, not just for a special event. Personally, I’d steer clear of real hair as such wigs are likely to be heavier therefore hotter (not to mention more expensive). Very best wishes for everything in the future.