Head IG Boom Xceed Tennis Racquet - 231254The EXTREME JR is the ultimate spin machine for ambitious juniors the lighter version of the adult EXTREME has been upgraded with Auxetic 2. 0 technology. Upgraded with innovative Auxetic 2. 0 technology for enhanced stability and connection to the ball, the EXTREME JR tennis racquet lets up and coming juniors generate extreme spin and create chaos. Lighter and easier to handle than the adult racquets in the EXTREME series which is endorsed by Matteo