Imagine how dirty your car is right now. Multiply that by 10 and that's how dirty your fly line probably is. Grab a bottle of our Fly Line Dressing and give that nice line who works so hard for you the bath it deserves. Comes with a cleaning pad.

Change out your streamers without having to cut back your tippet or wire section every time.

Micro Swivels will help prevent line twist when throwing streamers and other large flies.

Can’t decide what to fish for? Our Air Cel general-purpose floating line is a simple, no-frills, weight-forward floating fly line perfect for throwing dry flies, nymphs, and streamers to trout, bass, or panfish in streams, rivers, or lakes. It may not cost a lot, but that certainly … more

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 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 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 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 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 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 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 Amplitude Smooth series of lines are, simply put, the highest-permornace 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. Built a half-size heavy, the Amplitude … more

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 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 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 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.

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

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

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

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.

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

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.

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.

Let’s be honest. No one will ever turn down a little extra help with their cast. Luckily, the Frequency Boost, built a half-size heavy, provides just that. This general purpose floating fly line loads quickly, turns over large dries, nymph rigs, and streamers with ease, and features a … more

If there’s a better way to fish lakes and ponds than with a full-sinking line, we haven’t found it. The Frequency Full Sink is the perfect sinking fly line for stillwater anglers; it handles streamers and wet flies with aplomb, cuts through the wind, and features a mid-length head for … more

There are times where you need to get your fly underwater, but not too far under the surface. That’s when you need the Frequency Intermediate fly line. Built with a slow sink rate, the Frequency Intermediate will pull streamers and wet flies under surface chop to get them where the fish … more

The Frequency Magnum summed up in six words: big flies, big fish, small price. Designed with an aggressive weight-forward head, the Magnum fly line is built for tossing large flies, turning over split shot, and blasting through the wind. In other words, this line is a bit of a … more

The Frequency Saltwater is a great all-around compound saltwater taper designed to load rods quickly and cut through the wind. What’s your frequency?

In moving water, getting flies below the surface while maintaining control can present a challenge. That’s why sink tip fly lines were introduced. We took this idea, put it at an affordable price point, and came up with the Frequency Sink Tip. Featuring a Type III 10′ sinking tip, the … more

Here’s an idea: instead of spending $100 on a trout line, pick up a Frequency Trout fly line and use the rest on your next drive-all-night road trip. The Trout taper features a versatile, mid-length head ideal for delicate dries; however, it also provides great line control for nymph … more

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 with line control in mind, its extended rear taper allows you to cast a mile, mend with authority, and turn over nearly any rig … more

The All-Round Taper, or ART, is perfectly designed to handle nearly every freshwater fishing situation imaginable. From small dry flies to turning over nymph rigs, the Scientific Anglers Mastery ART Fly Line has the power to turn over any fly without sacrificing delicacy. Built with an extended … more

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 grace, which is extra handy on spring … more

Built to meet the needs of demanding anglers the Mastery Euro Tactical Nymph lines feature a braided core that minimizes memory and line sag, producing a more sensitive connection to your flies. Available in a level line which is the most efficient for tightline nymphing while remaining FIPS … more

Don’t let the name fool you. This is an amazing trout fly line masquerading as a competition line. Designed with an extra-long head and rear taper, the Mastery Expert Distance is excellent in the wind, provides smooth distance casting, and lets you throw mends you didn’t think were … more

Tarpon. Bonefish. Permit. All in one day. All on one line. That’s the idea behind the Mastery Grand Slam, a fly line designed specifically to help you achieve one of angling’s most elusive accomplishments. With a short, powerful head the Grand Slam cuts through wind and turns over … more

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 substantial front taper, it’s perfect for everything from trout and panfish to … more

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 do it all. But all good things must come to an end. Built a half-size heavy, the MPX taper starts where the GPX left off. Redesigned with more mass … more

If you had to choose one saltwater fly line for a variety of situations and species, the Mastery Saltwater taper should be a finalist. The versatile compound design provides enough power to cut through the wind, while retaining a delicate delivery for spooky fish on the flats. Built for a wide … more

Mastery Trout Standard is a true to AFFTA line weight casters fly line. Built with a mid-length head for exceptional mending and accuracy at long distances. If you love casting this will quickly become one of your new favorites.

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 catch trout from the mountains of Germany to … more

Combining our custom tip series of fly lines and triple density Sonar technology will keep you in the zone longer. Fly anglers are nothing if not inventive. From splicing together lines to weighing coils on a digital scale, finding the perfect sinking line can be a chore. The SONAR 3D Custom Tip … more

It’s not very often you’ll need to fish topwater flies in the salt. That’s where an intermediate line comes in handy. The SONAR Saltwater Intermediate fly line features a slow-sinking clear head that cuts through the surface and provides an amazing amount of stealth for those … more

When it comes to fishing streamers in cold water, it’s difficult to beat the SONAR Sink 25. Designed with a short 25′ fast-sinking head, the Sink 25 sinking fly line gets flies deep extremely quickly and is paired with a large diameter handling section for excellent line control. When … more

So part of the equation is getting flies in front of fish. The next part is not spooking them while doing so. Our SONAR Sink 30 Clear fly line offers the same casting benefits of the SONAR Sink 30 taper, but substitutes a 30′ slow-sinking clear head. When stealth isn’t an option, the … more

When fishing stillwaters, midges are important flies. Just as important is the element of stealth. The SONAR Stillwater Emerger Tip addresses both of these factors handily.

One day, long ago, in a kingdom far, far away, we dreamed up a line that would sink, but not sink too much, one that would simply hover beneath the surface. Fast forward thousands of years and the SONAR Stillwater Hover sinking fly line was born. Built with an extra-slow sink rate, the Hover is … more

Sure, the SONAR Stillwater Parabolic Sink sounds scientific, and that’s because it is. These lines sink in a U-shape through the water column, suspending flies just above the bottom and creating enticing action with each strip. Built with 10- and 20-foot textured hang markers, these lines … more

The SONAR Stillwater Seamless Density lines are a unique departure from the traditional graduated density lines of years past. With a variety of double-density sinking rates and a smooth, seamless transition between each, the SONAR Stillwater Seamless Density lines provide straightline … more

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 line, so it casts like a floater, but … more

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 line, so it casts like a floater, but … more

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 line, so it casts like a floater, but … more

In designing our SONAR Big Water Taper series, we had one specific goal in mind: to create the world’s strongest fly line. Built on the industry’s first 100-lb. monofilament core, the SONAR Titan BWT Max Sink is built for the blue-water beasts of your dreams (or nightmares). With a … more

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 heinous flies just below the surface. Right … more

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 Sink 3. Holding steady in the … more

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 intermediate sinking … more

Can’t decide what to fish for? Our Wet Cel general-purpose sinking line is a simple, no-frills, weight-forward sinking fly line perfect for throwing nymphs and streamers to trout, bass, or panfish in streams, rivers, or lakes. It may not cost a lot, but that certainly doesn’t mean the … more

Absolute fluorocarbon leaders are made from 100% pure fluorocarbon that provides excellent abrasion resistance while remaining supple for high knot strength. Absolute fluorocarbon is up to 15% stronger than previous versions and disappears in water for the ultimate in stealthy, underwater … more

Absolute fluorocarbon leaders are made from 100% pure fluorocarbon that provides excellent abrasion resistance while remaining supple for high knot strength. Absolute fluorocarbon is up to 15% stronger than previous versions and disappears in water for the ultimate in stealthy, underwater … more

Absolute fluorocarbon leaders and tippet boast a 15% higher knot strength compared to our previous material and features incredible clarity and abrasion resistance.

Absolute leaders are made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. Absolute nylon leaders and tippet have a 29% higher wet knot strength compared to our previous material and up to … more

Absolute leaders are made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. Absolute nylon leaders and tippet have a 29% higher wet knot strength compared to our previous material and up to … more

A unique two-layer construction means this 100% fluorocarbon tippet is the strongest we've ever offered: up to 33% higher knot strength. A softer fluorocarbon outside layer helps knots seat properly and increases overall knot strength, while the harder fluorocarbon core provides exceptional … more

Absolute leaders are made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. Absolute nylon leaders and tippet have a 29% higher wet knot strength compared to our previous material and up to … more

A unique two-layer construction means this 100% fluorocarbon tippet is the strongest we've ever offered: up to 33% higher knot strength. A softer fluorocarbon outside layer helps knots seat properly and increases overall knot strength, while the harder fluorocarbon core provides exceptional … more

Absolute Tippet is made with proprietary copolymer blends that are designed to drastically reduce water absorption while maintaining an optimal suppleness for high knot strength. Absolute nylon leaders and tippet have a 29% higher wet knot strength compared to our previous material and up to 40% … more

Imagine a world where you need to get a fly down to the fish, but all you have is a floating fly line. In that world, the perfect solution would be our SONAR Sinking Leaders. Luckily for you, we live in such a world. These leaders attach to the end of a fly line and can put your fly anywhere in … more

When you're swinging a fly for salmon or steelhead using a two-handed rod, controlling the depth and speed of the fly is paramount. That's why we created the Third Coast Textured Spey Tips. The TC Tip system is a revolutionary approach to Spey tips, as they're the industry's first … more

Designed specifically for Spey casting with a two-handed rod

Designed with the Great Lakes anadromous angler in mind the Great Lakes Switch line has an aggressive taper designed to turn over large indicators and the heaviest flies. Intended for use with switch and spey rods with a long head for superior mendability.

We have a completely redesigned our Skagit head series for 2021.  Leaving the traditional, level-belly Skagit tapers behind, our new lines are fully tapered from end to end.  This provides the smoothest power delivery from the rod, through the line, to the tip, and ultimately to the … more

Ideally suited for light two-handed rods

Introducing our Spey Lite collection, and the Integrated Skagit Spey line. Designed for light double-handed duty and with a short, powerful head, the Skagit Lite is ideal for smaller streams and trout Spey applications. Available in grain weights from 180-360, this two-colored line features a … more

Introducing our Spey Lite collection, and the Scandi Head. Designed for light double-handed duty and with a relatively long front taper for more delicate deliveries, the Scandi Head is ideal for smaller streams and trout Spey applications. Available in grain weights from 180-420, this two-colored … more

Lines can be used on single-hand rods as well.

Introducing our Spey Lite collection, and the Lite Skagit shooting head. Designed for light double-handed duty and with a short, powerful taper, the Lite Skagit is ideal for smaller streams and trout Spey applications. Available in grain weights from 180-360, this two-colored shooting features a … more

Extended grain weights for any rod size