Fly Lines

Improved for 2020! The RIO Gold has been the go-to trout line around the world for many years, and for a multitude of fly fishers. The line has a l...

Designed for the modern, fast-action fly rod. Improved for 2020! The RIO Grand is a full line size heavier than the industry standard, and features...

The ultimate range of sink tip lines for throwing streamers, with ultra-slick performance Short, powerful head to load at close range Aggressive f...

THE VERY BEST FLATS LINE ON THE MARKET— perfect for bones, perms and poons with low-stretch, ultra-slick performance. Designed to easily cast flie...

RIO's Mainstream series of fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimi...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than an...

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude series will shoot farther and last longer than an...

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 e...

Scientific Anglers brand new Amplitude Smooth Series of fly lines combine the slickness and durability of their proprietary AST Plus additive with ...

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...

Scientific Anglers brand new Amplitude Smooth Infinity fly line is a great general purpose freshwater line. Built a half of size heavy to quickly a...

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...

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...

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...

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

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...