The updated SONIC 4 BALANCE W is designed to be as springy as it is cushioned. We’ve kept our Optivibe™ cushioning to dampen uncomfortable vibrations without sacrificing energy return, so you get a really responsive ride. Now with a softer mesh and inner booty construction, this shoe is revving to go the extra mile.
Inlay sole : Textile
Lining : Textile
Outsole : Rubber
Upper : Textile / Synthetic
Drop : 8 in mm
Heel stack height : 28 mm
Forefoot stack height : 20 mm
Weight : 213 g
Lacing system : Regular laces
Intensity of usage : Training and racing