I have the superchargers and love them for all mountain, but as soon as i get into the park they kill my shins. I like the boot but if your trying to jump or jib i wouldnt recommend them
shin bang is bruising of the shin from say.. a ski boot.
Shin splints are when your muscles that run up your shin start to actually tear apart from working them too hard. Happened to me many times back when I ran cross country. Used to have to ice the shit out of those fuckers.