Yonex-VCore Xi 100 Lite 280G Tennis Racquet-() At just 10. 4 ounces strung, the Yonex V-Core Xi 100 Lite provides superior maneuverability... Size - (4_1/4) | Color - (See Description) Authorized Yonex Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.