Rapid-fire rebound and a vibration-free, cushioned ride. Sonic 5 Balance is lightweight and balanced for a broad range of runners, featuring Optivibe technology to keep vibrations low and energy return high for smooth, more comfortable transitions. A soft and enveloping mesh upper and pillowy tongue and collar construction hug and support your feet for miles.
Optivibe™ cushioning helps limit vibrations with the aim of decreasing muscle fatigue, while continuing to deliver a responsive ride.
Delivers that bouncy, springy feeling each time you push off the ground.
The Geometric Decoupling axis is centered to deliver a balanced, effortless forward transition from contact to propulsion.
1. Place a sheet of paper on the floor and against a wall.
2. Make sure you are wearing the same socks that you would normally wear with this type of shoe.
3. Wearing these socks, stand on the sheet of paper with your foot perpendicular to the wall and your heel against the wall.
4. Then use a pen to draw a line just in front of your big toe. Repeat for both feet and take the longer distance to determine your size.
5. Using a ruler, measure the distance between the wall and the line you drew to find your size.
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