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.

The Modern Trout was designed for complete trout versatility. The short front taper will turn over nymph rigs, streamers and dry flies, while the extended back taper increases line control and makes for quick line pick up.

Cortland’s 444 Sylk is the first modern line designed for fine bamboo rods. The long front taper delicately presents flies on the water with minimal surface disturbance.  Available in Double Taper.

One of the all-time classics, our Peach line has set a standard for durability and all around performance for over 50 years. Great for dry fly fishing, nymphing and throwing small streamers.

One of the all-time classics, our Peach line has set a standard for durability and all around performance for over 50 years. Great for dry fly fishing, nymphing and throwing small streamers.

A durable, high-floating, general-purpose fly line available in a weight-forward taper. The original 333 was the industry’s first modern PVC fly line and has been a popular choice among avid fly anglers for over 50 years.

The Go-To Line for All Freshwater Species

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.

The Go-To Line for All Freshwater Species

The Mastery Infinity has the power to bomb out streamers, yet retains delicacy for dry flies. It mends like an absolute dream, and delivers flies at all distances. Built a half-size heavy, with a long head and

Scientific Anglers' Wavelenth Titan fly line was designed for anglers who think in terms of black, white, or olive and to whom the term conehead doesn't refer to an old comedy sketch. If you have an all-encompassing need to throw big flies for big fish, t

Get this: we took one of our most popular tapers, the Titan, drenched it in various mixtures of tungsten powder, and created a triple-density sinking fly line that will absolutely change the way you fish streamers forever. This is a fully tapered sinking

So you know where the fish are holding. You’ve done your research. But you just don’t know how deep they are. Luckily, the SONAR Titan Sink Tip fly line offers a variety of solutions for all of your depth-finding needs. Just below the surface? Try the Sin

With a name like Titan, this line promises big things. Luckily, it does more than deliver. The SONAR Titan Full Intermediate fly line is designed to manhandle even the largest flies, and with its intermediate density, it allows you to fish your most heino

The first series of lines to feature the revolutionary AST PLUS slickness additive, the Amplitude will shoot farther and last longer than any other line on the market. It’s slickness down to a science.


Fly fishing for trout has never been so smooth,

Who says you can’t be stealthy when you’re chucking streamers and poppers in the heat? The SONAR Titan Tropical Clear Tip fly line provides all the advantages of our Titan taper—easy loading and effortless turnover to name a few—and tops it off with an in

All-Around Floating Trout Line

The Trout taper features a versatile, mid-length head ideal for delicate dries; however, it also provides great line control for nymph rigs. If you’re a trout angler, this is your Frequency.

All-around trout fly line

Triple-Density Sinking Fly Line

Get this: we took one of our most popular tapers, the Titan, drenched it in various mixtures of tungsten powder, and created a triple-density sinking fly line that will absolutely change the way you fish streamers foreve