Strings are your racket's powerhouse, it is important to choose them well, the new Babolat RPM Soft, polyamide monofilament, lasts longer than a multifilament string and is more comfortable than a polyester monofilament string. The best of both worlds!COMFORT:Polyamide material that offers greater flexibility than polyesters or co-polyesters in the monofilament family for excellent comfortDURABILITY:Its monofilament structure has a longer life cycle than a polyamide multifilament. The double coating with aramide further increases its durability.SPIN:The RPM SOFT’s polyamide composition optimises the string’s movement for players who generate little spin. The ideal string for players starting with monofilament without frequent breaks yet.Caliber: 1.25 mmColor: Radiant Sunset12 meter set