HEAD Graphene 360+ Speed MP Lite Tennis Racquets : Competitive tennis players looking to keep up with the speed of the modern game should take a swing with the HEAD Graphene 360+ Speed MP Lite. This racquet provides the same advantages of the Speed MP in a lighter version. It features Graphene 360+ technology, a combination of Graphene 360's energy transfer and innovative spiralfibers for enhanced flex and clean impact feel as well as a 16/19 string pattern for the right amount of spin. With the HEAD Graphene 360+ Speed MP Lite, fast just got easier to handle! Racquet Technology Graphene 360+: Innovative spiralfibers improve flexibility and provide a clean feel at impact. Superactive Stringbed: Increases power and control to compete in a fast game. Wider cross-strings add power and generate spin. Dynamic Frame Construction: Engineered to increase speed. Strong shaft and shoulder area for impact resisting stability, resulting in a solid feel and sound. Endorsed by Novak Djokovic