HEAD Boom Junior Tennis Racket

HEAD Boom Junior Tennis Racket Description: Explosive power is combined with the sensational feel of the innovative new Auxetic construction in the new BOOM JR TENNIS RACQUET. Based on the adult MP model – which has a new shape for HEAD - this racquet is made for ambitious juniors aged from 9 to 11 who want to take their tennis to next level. When juniors are playing with the BOOM JR TENNIS RACQUET, they don't have to think about anything else but enjoying the moment and hitting their next shot. With a fresh, modern design that is identical to the look of the adult BOOM frames, this racquet will help kids to feel good about themselves and their tennis. Explosive power Sensational feel with new Auxetic construction For ambitious juniors from 9 to 11 Fresh, modern design that is identical to adult BOOM racquets SPECIFICATION: Weight (unstrung) 250 g / 8.8 oz String Pattern 16/19 Head size 645 cm² / 100 in² Grip size 0-2 Balance 320 mm / 0.4 in HL Length 660 mm / 26 in Beam 24 mm Age 9 - 11 Auxetic Auxetic constructions show a unique deformation compared to non-Auxetic constructions. Due to their internal properties, Auxetic constructions widen when a “pull” force is applied and contract when squeezed. The bigger the applied force, the bigger the Auxetic reaction. Graphene Inside Graphene Inside Strategically positioned in most of our racquets, Graphene strengthens the frame, provides greater stability and optimizes energy transfer from racquet to ball. When you buy your next racquet, be sure it has GRAPHENE INSIDE.