ARCSABER racquets store up energy during the shot, allowing you to attack with pinpoint accuracy. For players seeking a higher level of control * Increased durability and improved flexability allow the frame to return back to its original shape faster. Positioned at the sides of the racquet, CS Carbon Nanotubes improve the frame"s elasticity. * CS CARBON NANOTUBE, ISOMETRIC, TOUGHLEX, NEW GROMMET PATTERN, SOLID FEEL CORE, AERO BOX Frame, NEW Built in T-Joint, Control Support Cap * TOUGHLEX ACHIEVES LIGHT 4U SIZE AND AGGRESSIVE CLEAR