The lightweight SONIC 3 BALANCE training shoe is packed with all the essentials features you need to optimize your road running, and nothing else. Optivibe reduces vibrations to limit muscle fatigue, a geometric decoupling axis delivers effortless forward transition and road-specific Sensifit fits your foot like a glove.
 
Optimized forward transition
The Geometric Decoupling axis is centered to deliver a balanced, effortless forward transition from contact to propulsion.
 
Vibration reduction
Optivibe, a unique combination of foams (one to dampen, the other to propel), helps reduce vibration on foot strike to decrease fatigue without affecting your overall ride.