|Vibram FiveFinger Bikila LS|
"Before the Nike's, before the breathable, antimicrobial running shorts, before the personal fitness coaches, heart-rate monitors, wrist-mounted GPS and subscriptions to Runner’s World, you were a runner. And, like all children, you ran barefoot."
This, really, is the best way to run unless you have "naturally" impaired arch support. "High-quality", high-priced, and high-advertised running and sports shoes actually cause the most injuries in sports besides malicious competitive harm, and uninformed beginners mistakes in sports.