ISOMETRIC: Introduced over 30 years ago, the ISOMETRIC™ design enlarges the sweet spot by 7%*. Its square-shaped frame optimizes the intersection of main and cross strings, creating a bigger sweet spot than a conventional round racquet.
Strings: Unstrung
Flex: STIFF
Frame: HM Graphite
Shaft: HM Graphite
Joint: NEW Built-in T-Joint, T-ANCHOR
Length: 10 mm longer
Weight / Grip: 4U (Avg. 83g) G5, 6
Stringing Advice: 4U: 19 - 27 lbs Color(s): Greyish Pearl
