Scientific Angler Fly Lines

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.

For years, the gold standard in the Scientific Anglers lineup was the GPX taper. From tossing small dries to slinging huge streamers, the GPX could do it all. But all good things must come to an end. Built a half-size heavy, the MPX taper starts where the GPX left off....

This is our top pick for a nymphing line on the Bighorn River.  If you’re anything like us, the allure of big fish and big rivers is intoxicating. That’s precisely why we created the Amplitude Smooth Anadro/Nymph. Designed with line control in mind, its extended rear taper allows you to...

The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance. There’s a sipper 40 feet away and...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than any other line on the market. It’s slickness down to a science. Built a half-size heavy, the MPX taper starts where the GPX left off. Redesigned with...

Long rear taper for extended line control and long-distance casting Ideal for roll casting and long-distance mending Overweighted to assist in turning over heavy rigs Use one size heavy for switch rods For use in moderate and cold climates Braided multifilament core