Real world for James is not the same as it is for most of the earth -- thanks to a $90 million shoe contract from Nike -- .
The 18 - year - old marketing superstar insists his Air LeBron 's are firmly on the ground .
Real world for James is not the same as it is for most of the earth -- thanks to a $90 million shoe contract from Nike -- but the 18 - year - old marketing superstar insists his Air LeBron 's are firmly on the ground .