Check out the second review down.
http://gearlog.com/blogs/Gearlog/Search.aspx?q=oakley
(edit: sorry, posted wrong link before)
and before anyone starts a diatribe on how this could not be considered to be a direct competitor, or how it is inferior because it isnt Oakley etceteras.
I know, I just couldnt be bothered to think of a catchy name for the thread.