Wilson Shift Pro Performance Replacement Grip - Gray 9-pack Balls are 50% slower than

Balls are 50% slower than normal tennis balls

Head Size: 500 cm2 / 78 in2

Overlays: 85% polyester/15% spandex

This is a replacement ball for the Billie Jean King Eye Coach Pro

Year Introduced:  2017

Wilson Shift Pro Performance Replacement Grip - Gray 9-pack Balls are 50% slower thanTacky replacement grip for optimal feel. Wilson's Pro Performance Replacement Grip yields a soft, tacky surface for ultimate feel. Easy Wrap Technology makes it super easy and simple to apply the grip a longer starting taper allows the grip to seamlessly wrap around the butt cap, while a shaded upper edge serves as an overlap guide for consistent wrapping. Altogether, these features create a professional look and feel for any tennis player. Designed