The volkl organix 8 super g 25 inch junior tennis racket provides exceptional manoeuvrability thanks to the head light balance and features a 102in2 660cm2 head it has an open 16x19 string pattern providing more power and spin and incorporates the superg technology for exceptional dampening and energy transfer in addition the bio sensor delivers an unmatched feel and a 15 increase in dampening while the organix technology offers 30 more dynamic power and handling