Scientific Anglers have included their groundbreaking AST Plus slickness ingredient into the all-new Amplitude Smooth Series. These lines are smooth like typical lines, but owing to the addition of AST Plus, which is incorporated directly into our coatings, they have greater longevity and slickness. Each line has three colours to distinguish the different portions of the line, as well as welded loops for quick and easy rigging. SA Amplitude Smooth fly lines are the best smooth fly lines on the market, and they come in a variety of freshwater and saltwater tapers.

• Turns over weighted nymphs and streamers, yet offers light presentations when used with long leaders