The Yonex VCORE Xi 26 graphite tennis racket has a head size of 100in 2 (645cm 2) & offers a bigger sweetspot to ensure greater levels of control & response. This lightweight intermediate racket is perfect for the young tennis players who want to improve their skills. It is made from graphite which results in more stiffness & strength making it great for the youngsters expecting to make rapid progress. This 26 (660mm) racket features the Extra Isometric technology delivering a larger sweetspot, as well as reducing frame vibration, & has a 3D Vector Shaft ensuring a solid feel.