The racquet houses Babolat’s new FSI (Frame String Interaction) Spin technology— wider spacing between the strings for enhanced spin and pop. The end result is an exceedingly lively string bed.

There is a couple other tennis racket stats on there, including the 300 kilometers of string they've used for his rackets, the 125 Babolat bags he's used and 16,500 meters of Babolat overgrip used.