LAS VEGAS--(BUSINESS WIRE)--At #CES2015, @AltraRunning, the fastest growing running shoe company in the United States, introduced the Altra Halo shoe. See it at booth #74321 in the Sands Expo Center. A razor-thin electronic sensor from @iFit, built into the midsole, gives feedback for three important elements of proper running form: Foot strike zone Cadence Ground force impact "Altra's philosophy focuses on innovations to encourage natural running form," said Brian Beckstead, VP of Sales for Al