Fly Lines

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...

Easy casting, all-around trout line, with ultra- slick performance. The RIO Perception is an easy casting, general purpose fly line that casts nymp...

RIO’s Technical Trout line features a long, fine front taper for the lightest of presentations and delicacy and is the ideal choice of line when fi...

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

RIO’s InTouch VersiTip II is a powerful, easy casting interchangable tip fly line designed for the traveling angler. Built with RIO’s ultra-low str...

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 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 ...

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...

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...

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...

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...