The Wilson Roger Federer 25 tennis racket is made for the up & coming juniors aged 9-12 & has a head size of 95in 2 (613cm 2) & an aerodynamic frame enabling youngsters to swing easily & play with complete confidence to improve on-court performance. Strung with a durable Wilson nylon string in a 16x 17 string pattern, the racket offers good playability & boasts a head heavy balance for more power & stability. For an optimal feel & moisture absorption, there is Wilson Perforated grip & the racket is supplied with a full cover for protection between uses.