In reply to Phil Payne:
> (In reply to ElBarto) I have a berghaus top that claims to have silver ion technology in it to kill bacteria and stop the smell.
I'm actually wearing one of those this moment (about to cycle home). My experience is that it didn't last very long, some washes and it is no more or less smelly than any other polypro top. Merinos non-smellyness is to do with the material itself though so they never seem to get smelly.