Crossfire ZX hybrid features a 1.25mm braided Aramid/PTFE (Kevlar + Plus) main string in order to enhance string abrasion resistance and increase string life, and a MonoGut ZX Pro cross string to produce gut-like playability with exceptional spin. This string is designed for chronic string breakers looking for a hybrid string combination with superior soft power, outstanding durability and maximum ability to impart spin on the ball.