BERKLEY XLFS17-22 (NEW) XL IMPR FS 17LB 300YD GR XLFS17-22 The Best Trilene XL Ever! Stronger and Smoother than ever, the improved formula has 20% greater knot strength and over 50% greater wet strength. 20% more flexible, for smooth casting and maximum manageability. Smooth casting for maximum manageability Smooth Casting