ARTICULATION GEOMETRY-Strategically placed grooves and chambers placed in the outsole, midsole, and upper provide points for the shoe to move with your foot while still providing the ultimate level of support
Versatile Workout Shoes: Our combination training shoes & running shoes take your workout to the next level with a Lift and Run Chassis system; A dome-shaped heel piece compresses under load for a stable platform then softens when you push off to run