Sierra says: The Hi-Fi helmet has an ultra lightweight in-molded polycarbonate shell with mesh venting so you have the highest ventilation and comfort. Quick Clip II ear pads make it easy for you to take your tunes on the slopes with you. R.E.D. says: Shaun, Keir, Danny, Masson, Mikkel, Kevin and Luke have won more than a few contests, and they choose the Hi-Fi by R.E.D.

Sierra says: Ride in style to your own beat! Hook up your iPod or other Media player and let the music take you away. RED says: Wear the same helmet as our team, download their playlists and nail back to back 9s. Simple as that....... right?