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Scientific Anglers Amplitude Smooth Infinity all-purpose floating fly fishing line
Green coiled Scientific Anglers Amplitude Smooth Infinity all-purpose floating fly fishing line

Scientific Anglers Amplitude Smooth Infinity Fly Line – All-Purpose Floating Fly Line

$99.95
Line Weight5wt
ColorOptic Green/Mist Green/Buckskin

The Scientific Anglers Amplitude Smooth Infinity Fly Line is the ultimate all-around fly line for trout anglers and beyond. Built with AST Plus slickness additive for enhanced durability and superior shootability, this line excels at everything from delicate dry fly presentations to heavy streamer rigs.

Its half-size heavy taper loads fast-action rods quickly, while the long head design maintains accuracy and control at all distances. Smooth, quiet, and reliable — this is the one fly line you'll reach for every day on the water.

Key Features:

  • AST Plus slickness for superior durability and shooting power

  • Half-size heavy for easy rod loading

  • Long head for maximum line control and versatility

  • Welded front and back loops for quick rigging

  • Available in multiple freshwater weights (WF3F–WF9F)

Perfect For: Trout, bass, panfish, and light saltwater species

  • Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
  • Extremely versatile general-purpose taper designed for most freshwater species; an excellent fly line for trout, grayling, panfish, bass, carp, steelhead, salmon, and pike
  • Made a half-size heavy to load fast-action rods, but works well with a variety of rod actions
  • Extended head length for long-distance casts and superior mending ability
  • Excellent for dry flies, nymphs, and streamers
  • Available in two color schemes: standard and camo; the camo scheme features a mottled front taper for increased stealth
  • For use in moderate and cold climates
  • Braided multifilament core
  • SA AMP SMTH INFNTY WF X F (X = line weight)

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Scientific Anglers Amplitude Smooth Infinity Fly Line – All-Purpose Floating Fly Line

$99.95