The Brooks PureCadence 6 Running Shoe supports whole body alignment at zero cost, remarkably, to weight nor flexibility. Due to its advanced Guide Rail system promoting fluid movement as well as its 3D Fit Print upper providing an adaptive fit, this comfortable running shoe will feel like a natural extension of your foot. BioMoGo DNA midsole cushioning dynamically adapts to every step and stride Lightweight Guide Rails ease the body into its natural motion pattern Rounded Heel Omega Flex Grooves