Reach the top of your game playing with the Yonex VCORE Xi Team + tennis racquet. For greater power and control, the VCORE Xi Team + features Yonex's unique Isometric head shape that expands the racquet's sweetspot for better response. I.P.S. (Integrated Weight System) technology in the frame distributes weight more evenly so you feel greater balance through each hit. New VCORE has deeper cross section grooves which increases racquet stiffness and reduces frame twist on off center hits. X Fullerene adds additional stiffness and repulsion power for the quickest response and best face stability ever achieved in a Yonex racquet.