Ecco pushes to get your foot closer to the pavement to allow for a more natural running motion. The Biom Line ($195-$220), geared for a variety of runners features biomechanical engineering to provide anatomical support, cushioning and traction that allows for a natural movement of the foot. The collection includes Biom A, designed for runners with a 6 to 7 minute per mile pace, Biom B for fitness runners with an 8 to 9 minute per mile pace, and finally the Biom C, developed for the occasional runner.