Babolat now offers pre-packaged hybrid strings to provide the optimal combination of power and control. Babolat Pro Hurricane Tour is an excellent choice for big hitters looking for extra spin. Octagonal (8-sided) cross-section adds the extra bite on the ball for added topspin and slice. Firm feel and outstanding durability as well. Babolat VS Gut is the premium standard for natural gut tennis strings. Utilizing first grade Babolat materials, VS Gut is a modern natural gut with Thermogut Technology that resists moisture and humidity. The benchmark for tension holding and comfort. Winning Combinations: Hybrid technology allows players to take advantage of the combined benefits of two different types of strings (one for the mains and one for the crosses) to create a winning combination. These combinations are now prepackaged for easier use. Babolat Tennis String 28100616g