helmet microphones

[sharka]

looking into getting some helmet microphones so when i go out riding with mates we can talk to eachother.

just wondering if anyones has any or knows of some good ones and where to get them from?

[caseracing]

ive got the uniden ones that go in your ear but its hard to find the button when going throught the bumps, when you do find it there awesome. i put the 2 way in my camel back.