Scientific Anglers Amplitude Smooth Trout GP - Butter/Sage/WillowScientific Anglers Amplitude Smooth Trout GP is a floating fly line designed for trout anglers who want smooth shooting, precise mending, and reliable distance control. With its mid length head and refined taper, this Scientific Anglers line helps make delicate presentations while still loading the rod efficiently for accurate casts on rivers, creeks, and stillwater. Key Features AST Plus Slickness Additive: Improves shootability, reduces drag, and