The wilson roger federer 25 tennis racket is made for the up and coming juniors aged 9 12 and has a head size of 95in2 613cm2 and an aerodynamic frame enabling youngsters to swing easily and play with confidence to improve on court performance strung with a durable wilson nylon string in a 16x17 string pattern the racket offers good playability and boasts a head heavy balance for more power and stability for an optimal feel and moisture absorption there is wilson perforated grip and the ra