I don't know about that Okie, I've seen a lot of them bicycle helmets that flow a bunch more air than the Arai. :confused:
Heck I bet my new lid flows more air and it comes in at 700g, plus has the coolio factor of being all carbonfiber, even the visor. Just don't get behind Wardy or AJ or your face may end up rearranged a little bit.