Fly Lines

Built to FIPS Mouche standards, but designed to simply catch fish, the Mastery Competition Nymph line is as simple as it gets: 80 feet of level line. It doesn’t matter if you’re in an international competition, or just trying to outdo yourself, the Compet

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

You’ve got articulated streamers and poppers hanging from the lampshade on your desk. You think in terms of bass, both smallmouth and largemouth. The term conehead doesn’t refer to an old comedy sketch. We totally get it. And that’s why we designed the Ma

The Mastery Trout line is ideally suited for chasing browns, rainbows, cutthroats, and any other trout you can imagine. Perfect for dry flies and ideal for smaller nymphs and streamers, the Mastery Trout is one of our mainstays and has helped anglers catc

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 distances. An excellent dry-fly line, the Mastery Double Taper excels at presenting flies with a touch of gra

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.

Ideal for Small Creeks and Short Casts

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 th

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.

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