The Head Innegra Challenge PRO tennis racket is a dedicated choice for intermediate players seeking improvement to their game with a reliable combination of increased power potential & superior control. The racquet features the Innegra technology to ensure excellent comfort & control through increased shock dampening on each ball impact. Furthermore, it has a 100in 2 (645cm 2) head to provide additional power behind strokes with a decently-sized sweet spot. The racquet's frame is head light balanced & made from graphite, & it is shipped pre-strung with standard synthetic gut string in an open 16x 19 string pattern. in addition, the Innegra Challenge PRO is supplied with a full cover offering necessary storage & protection.