Ok, helmet HUD's are still a way off.. How about a glove bluetooth paired with your GPS smartphone?
(http://img-1.newatlas.com/turnpoint-smart-glove-1.jpg?auto=format%2Ccompress&ch=Width%2CDPR&fit=crop&h=347&q=60&rect=0%2C0%2C999%2C562&w=616&s=0a8a33f3e024c2bbbade2b67ff91820f)
http://newatlas.com/turnpoint-smart-glove/48580/?li_source=LI&li_medium=default-widget (http://newatlas.com/turnpoint-smart-glove/48580/?li_source=LI&li_medium=default-widget)
It has to be water proof....
I think we know where this is heading... :bomb: (https://m.youtube.com/watch?v=rtEaR1JU-ps)