Yonex Vcore Duel G 97 Tennis Rackets, Black Orange, G2 Spadger Built on the anatomically shaped Built on the anatomically shaped grip comfort last with more volume for your foot the heather mesh forefoot and sporty upper sits on top a new fusionfoam midsole comprised mixture of super soft eva foam and ultra responsive rubber that provides a cushioned feel and all day comfort GUARANTEE Formulated and tested by sport therapy professionals atg950p stringing pattern: 16 20 stringing advice: 50 65lbs made in Japan Lock Booster System: the new System on the grommets has more holes towards the top of the frame as well as the grooves to lock the String