The SQUARED is so innovative it has established a new category in the market: an ultra-low balance racquet for players of all levels and ages wanting the perfect fusion of power and comfort. Squared delivers power ^2, maneuverability ^2 and comfort ^2. This is the most head-light racquet HEAD has ever produced; it has a superb pick-up feel and it 's easy to maneuver, letting you swing big with confidence to execute a clean and precise technique. Proven to reduce muscle activity during swings, the SQUARED is particularly suitable for players who are looking for an arm-friendly racquet. While most racquets only have one tube, the SQUARED is made with cutting-edge dual tube technology. The outer tube is made from Toray 's ToraycaTM T800S carbon fiber and gives you power while the inside tube is filled with foam to maximize comfort, arm-friendliness and crisp impact feel. Head Squared Tennis Racquet | 4.375 | Christy Sports