I dont wear them. I tried wearing them once, the orange foam type that I use for other things. I dont like them. I don't like the sound I end up with, a low frequency thrum. THAT actually bothers my ears more than the wind noise (full face HJC helmet) which I don't find objectionable.
What I would like is a set of partial ear plugs. A pair that deadens the sound but not to the point that the average plug does. I wore my ear plug-bud (JVC) on my mp3 player over the weekend and found that level of sound deadening acceptable.