The updated SONIC 4 CONFIDENCE is designed to give you that extra assurance and energy. We’ve kept our Optivibe™ cushioning to dampen uncomfortable vibrations without sacrificing energy return, so you get a really responsive ride. But now with more structured mesh, extra padding and updated SensiFit™ wings, you’ll feel even more confident.
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 refined mesh and Sensifit construction hug the foot, while a padded collar and tongue keep you comfy.
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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