New (overweight) rider - need bike for my weight

[Starfish]

So, I wear a wet bandanna around my neck - the evaporation/cooling process makes me feel like it's many degrees cooler.

You can also sew these into a little pocket and fill it with ice at the start, so it melts down your front or back and stays wet longer. Also, the motorcycle gear catalogs have some great stuff for cooling riders down.