Scientific Anglers Amplitude Smooth Trout Expert Fly Line

The Scientific Anglers Amplitude Smooth Trout Expert Fly Line. True to line weight for general "trout rods" and delicate, precise presentations. The 2026 replacement for the old standard SA Trout Tapers.

The Amplitude Smooth series of lines are, simply put, some of 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.

* Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
* Excels in medium-to-long distances with dry flies and smaller nymphs; wonderful on glass and bamboo
* The best, true-to-grain-weight line for casting small dry flies to picky risers
* Elongated front taper is designed for delicate presentations 
* For use in moderate and cold climates
* Braided multifilament core
* Available in WF 2wt- WF 6wt
* Color is Leather/Sage Green/Buckskin

Features SA Line ID, AST + Coating, Improved Dry Tip, Welded Loops

SA Amplitude Smooth Trout Expert 2wt WF-F
* 30' Head Weight: 80 grains
* Total Head Weight: 170 grains
* Head Length: 65 feet
* Total Length: 90 feet

SA Amplitude Smooth Trout Expert 3wt WF-F
* 30' Head Weight: 100 grains
* Total Head Weight: 195 grains
* Head Length: 65 feet
* Total Length: 90 feet

SA Amplitude Smooth Trout Expert 4wt WF-F
* 30' Head Weight: 120 grains
* Total Head Weight: 240 grains
* Head Length: 67 feet
* Total Length: 90 feet

SA Amplitude Smooth Trout Expert 5wt WF-F
* 30' Head Weight: 140 grains
* Total Head Weight: 300 grains
* Head Length: 69 feet
* Total Length: 90 feet

SA Amplitude Smooth Trout Expert 6wt WF-F
* 30' Head Weight: 160 grains
* Total Head Weight: 340 grains
* Head Length: 71 feet
* Total Length: 90 feet