Engineered for effortless playability and reliable forgiveness, the Solinco PRIZM 115 is a rare breed. This tennis racquet blends easy power, plush comfort and an intuitive feel at impact. Its expanded head size enhances the sweet spot, while the Ergo Power Design enables smooth and easy strokes. Ideal for players who want power without added strain, the Solinco PRIZM 115 delivers extra pop on demand! Racquet Technology Ergo-Power Design: Custom-engineered frame geometry unleashes easy power and a plush, forgiving response. Weight Control Modules: Interchangeable 5 gram and 10 gram butt-cap plates can increase the overall weight or decrease the balance of the racquet. Liquid Crystal Technology: Fibers incorporated into the design optimize flex, reduce vibrations, and improve feel and playability.