Experience explosive energy with the HEAD Boom Jr. 2024 Alternate tennis racket in Celeste. This second generation racket features new Auxetic 2.0 technology for real-time, super-accurate feedback and an enhanced, sensational feel. Designed for ambitious juniors aged 9 to 11, it offers a confident, powerful feel with a fresh, modern design identical to adult BOOM rackets. The racket delivers unmatched comfort through Auxetic construction, which widens with pull force and contracts when squeezed. Graphene Inside strengthens the frame for improved stability and optimal energy transfer. Key specifications include a 645 sq cm (100 sq in) head size, 245 g (8.6 oz) unstrung weight, 16x19 string pattern, 320 mm (0.4 in) HL balance, 660 mm (26 in) length, and a 24 mm beam. It comes pre-strung with Synthetic Gut and is recommended to be strung with Lynx 17. This racket provides explosive power and a sensational feel for ambitious juniors looking for serious fun on the court.