For over three decades, Guideline has been at the forefront of innovating modern Weight Forward (WF) fly lines. Today, our range includes the widest variety of WF fly lines we've ever offered, spanning from classic tapers to dedicated specialist lines. Whether it's delicately presenting flies in a small stream or casting big streamers into strong winds, we've got you covered. Each line comes with a clear description of its strengths and user-friendliness. Choosing the correct fly line is crucial, so be sure to read up on our lines to find the best-suited one for you.