The Nike Shox Navina SI running shoe is for the longtime female runner who is looking for a better ride and fit. Synthetic upper with synthetic overlays provides a flexible upper to enhance fit and feel. New women's specific five-puck Nike Shox platform adds more cushioning and a better overall ride. Carbon rubber in the heel offers excellent durability and rubber in the forefoot delivers a plush ride.
This is the difference between a Dark Jedi and a Sith, one is a wild animal with the illusion of power, and the other is honed warrior who has achieved it. To use the light and be a Sith Lord would be a paradox.
The six films feature the Jedi, who use the Force for good, and the Sith, who use the dark side for evil in an attempt to take over the galaxy. In the Star Wars Expanded Universe, many dark side users are Dark Jedi rather than Sith, mainly because of the  Rule of Two  (see Sith Origin).