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 ei...

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 ei...

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 ei...

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 ei...

Ideal for a more thorough cleaning of your Scientific Angler fly line when you are at home or at the lodge after a long day of fishing. Features: ...

The Frequency Series was to create an affordable, durable, and—above all else-easy-to-understand family of fly lines. With three floating tapers an...

If you’re anything like us, the allure of big fish and big rivers is intoxicating. That’s precisely why we created the Anadro fly line. Designed wi...

Designed to simply catch fish, the Mastery Competition Nymph line is as simple as it gets: 80 feet of level line, in either a floating or an interm...

Double-taper fly lines may not be the most versatile of the bunch, but they’re very good at what they’re designed to do: delicate work at shorter d...

When you’re knee-deep in a clear jungle stream somewhere in South America, you need the finest tools available in order to chase down the fish of y...

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...

If you had to choose one saltwater fly line for a variety of situations and species, the Mastery Saltwater taper should be a finalist. The versatil...

You’ve got articulated streamers hanging from the lampshade on your desk. You think in terms of black, white, or olive. The term conehead doesn’t r...

The Mastery Trout line is ideally suited for chasing browns, rainbows, cutthroats, and any other trout you can imagine. Perfect for dry flies and i...

When it comes to fishing streamers in cold water, it’s difficult to beat the SONAR Sink 25. Designed with a short 25′ fast-sinking head, the Sink 2...

Powerful head to turn over extremely large flies with reinforced loops and an oversized running line for increased line management and positive str...

The SONAR Saltwater Intermediate fly line features a slow-sinking clear head that cuts through the surface and provides an amazing amount of steal...

So part of the equation is getting flies in front of fish. The next part is not spooking them while doing so. Scientific Anglers SONAR Sink 30 Clea...

How can something be clear and camouflaged? That’s easy. Scientific Anglers took a mottled core, doused it with our new, supple clear coating, and ...

When fishing stillwaters, midges are important flies. Just as important is the element of stealth. The SONAR Stillwater Emerger Tip addresses both ...

Scientific Anglers Sonar Hover is built with an extra-slow sink rate, the Hover is downright nasty when it comes to fishing streamers with a slow r...