Fly Lines

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,

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.


Tarpon. Bonefish. Permit. All in one day. All on

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.
Built a half-size heavy, the MPX taper starts

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.

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 RIO Grand is a full line size heavier than the industry standard, and features more weight distributed towards the front of the line to easily load faster action fly rods. The line has a short head that is easy to cast, making it the perfect choice fo

Scientific Anglers Mastery Euro Tactical Nymph Mono Core

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.

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 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

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