Sorbothane Ultra Graphite Medium Arch Insoles Insole Length_Full Expands sweetspot by 10% and

Expands sweetspot by 10% and reduces vibration up to 74% vs

If you're looking for an optimal playing string that provides superior shock absorption and gut-like playability

or just for fun

Extra Duty felt stands up to all the wear-and-tear of hard courts so you can count on a consistent performance every time they hit the court

In addition

Sorbothane Ultra Graphite Medium Arch Insoles Insole Length_Full Expands sweetspot by 10% andThe overachiever of all insoles, combines an elaborate support system with all the sport performance features of a high end running shoe. The result is an insole that proves orthotic arch support can work in tandem with materials hat provide foot strike protection, cushioned comfort and energy return. Accepted by the American Podiatric Medical Association.