We have multiple fly lines that have been developed for all types of fly fishing applications. Check out our vast assortment of fly fishing lines.

Scientific Anglers produces the world's best fly lines, leaders, and tippet, along with fly fishing accessories, reels, outfits, and more.

The patented AST Plus additive makes these the slickest, farthest shooting, most durable fly lines available anywhere. These fully-featured lines offer all the same characteristics of Amplitude …

Fully-featured with a comfortable price tag describes Scientific Anglers Mastery Fly Lines. These lines can cover most any fly-fishing situation from saltwater flats to steelhead and salmon waters, plus …

Fish feed below the surface 90% of the time, Scientific Anglers Sonar Fly Lines allow you to target subsurface feeders in a full range of environments from just below the film to the depths.

From trout to tarpon and beyond, there is an Amplitude Textured Line for every fly-fishing application. These lines represent the pinnacle of fly line development and will make your on-water experience …

For the budget-conscious angler, Scientific Anglers Frequency Fly Lines are an unexpected surprise. With both floating and sinking models, Frequency Fly Lines are at home in wide range of fishing …

Geared toward steelhead and Atlantic salmon, these lines are designed for Spey casting and swung fly techniques. The Skagit Floating and Skagit Intermediate Heads allow the angler to cover a range of …

The Amplitude Textured Infinity Fly line 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.

Designed with an extended rear taper, the Mastery Anadro fly line for salmon and steelhead provides unparalleled line control and mending ability.