Wilson's premier multifilament synthetic gut, NXT Tour offers an even closer to gut-like feel than regular NXT. According to Wilson, it's the softest and most comfortable string in the NXT line. Designed with almost twice as many fibers as regular NXT, it offers a 15% increase in sweet spot size and 80% less vibration than traditional synthetic gut. With its superior power and comfort, Wilson gives this string its maximum playability rating. NXT Tour also offers impressive durability for a multifilament. It's an awesome choice for players of all levels and playing styles looking for near gut-like performance at half the cost. The thinner 17 gauge offers even more comfort and feel, with less durability than the 16 gauge.