Originally Posted by
calRider
I don't wear one, because I think it looks ridiculous. While it may be acceptable to wear a bandanna while on the trainer, indoors, where nobody can see you, it is certainly NOT acceptable to wear one outside....unless, of course, you have the matching ripped jeans and half-shirt.
Newsflash: You look ridiculous in your bike kit anyway....
As mentioned above, it's a good way to keep sweat from dripping in your eyes. It also protects my head from sunburn when I have really short or no hair up there.