I have never been able to find concrete information about the various types of armor available to motorcyclists. There are certainly anecdotes around (including a couple of my own, unfortunately), but no hard data that I can locate. Does anybody know of published data comparing motorcycle armor? Thanks in advance, --mkb "Some people will tell you that slow is good -- and it may be, on some days -- but I am here to tell you that fast is better. I've always believed this, in spite of the trouble it's caused me." --Hunter S. Thompson