Like many of Prince's racquets, the EXO3 Black 100 is equipped with Prince's patented EXO3 Energy Channel technology, a sculpted groove within the frame which directs more energy into the ball upon rebound. Powerful shots are thereby made with little effort. The string pattern on the head is open, which helps to give your shots pop. The 100 square inch head will provide a big sweet spot. The ResiPro grip on the EXO3 Black 100 is standard on Prince's mid-priced offerings.