- Enter the running avenue and build fitness day after day. A go-to" reliable road running shoe, SONIC RA WOMEN'S delivers a comfortable, responsive and dynamic ride that will keep you going mile after mile."
The unique Vibe Technology midsole construction using EnergyCell+ and Opal to attenuate fatigue-causing vibrations for a cushioned yet responsive ride.
The RA's Geometric Decoupling axis is oriented to deliver a balanced, effortless forward transition from contact to propulsion.
The road-specific Sensifit upper conforms to the contours of your foot and gently secures it in place, giving you a virtually customized fit.