Mastery Fly Line, Mastery Series Fly Line

Scientific Anglers Mastery Titan

SCIENTIFIC ANGLERS Mastery Infinity Fly Line

Mastery Bass Bug Fly Line

Mastery Saltwater Fly Line

Scientific Anglers Mastery Series Stillwater Fly Line

Scientific Anglers Mastery Standard Fly Line

For anadromous fish and big rivers, the Mastery Series Anadro Fly Line will be your go-to line. It features a long rear taper for extended line

Scientific Anglers Mastery Anadro

Designed with the Great Lakes anadromous angler in mind the Great Lakes Switch line has an aggressive taper designed to turn over large indicators and the heaviest flies. Intended for use with switch and spey rods with a long head for superior mendability.

Scientific Anglers Mastery Great Lakes Switch Fly Line

The Scientific Anglers Trout Line is one of the mainstays of the Scientific Anglers Mastery lineup. For years, it has been a favorite line of ours for

Scientific Anglers Trout Line

Scientific Anglers Mastery Headstart - Yellow - The Fly Shack Fly

Don’t let the name fool you. This is an amazing trout fly line masquerading as a competition line. Designed with an extra-long head and rear taper, the Mastery Expert Distance is excellent in the wind, provides smooth distance casting, and lets you throw mends you didn’t think were even possible.

Scientific Anglers Mastery Expert Distance Fly Line