Scientific Anglers Sonar Trout Express Fly Lines

Sometimes the biggest trout live where back casts aren’t your best friend. Sonar Trout Express has a short, rear weighted head that excels at roll casting large streamers in tight spaces.

Formulated with Advanced Shooting Technology 
Extended rear taper stabilizes longer casts 
SD Blend technology for the smoothest possibe transition between densities
Sink Rate: Floating running line, intermediate belly, Sink 5 tip
Braided multifilament core