Xalt is an entirely new addition to Babolat’s Xcf family of multifilament strings. It’s composed of special polyamide filaments combined with glass beads, which is all covered by a silicone wrapping.

If hitting heavy topspin with dependable control is your thing, then you know all about the virtues of polyester strings. Largely monofilaments, polys are also valued for their durability. And an ...