The Ozone Seven is a superb all-around Midplus+ frame, ideal for all level of players with longer and faster swings who want to deliver the ultimate in controlled power. With Carbon Wave Matrix Construction, prince has re-engineered the hitting zone adding extra strenght and stability for a larger, more consistent sweetspot and maximum control. The O-ports in the ozone series of rackets expand the conventional sweet spot by up to 54%, turning it into a sweet zone, allowing players to hit their best shots more often.