Scientific Anglers Mastery MPX Fly Line Waterproof Zipper Classic field-jacket design with a

Classic field-jacket design with a modern tailored fit

4 WF4 100 yds 20# -5+ 3

Lightweight foam shoulder strap and back panel

Sustainable Ziricote wood insert with anodized aluminum up-locking reel seat

Scientific Anglers Mastery MPX Fly Line Waterproof Zipper Classic field-jacket design with aThe Scientific Anglers Mastery MPX Fly Line is a versatile all around floating fly line built for anglers who want powerful turnover, smooth casting, and reliable performance across dry flies, nymphs, and streamers. Originally developed as the evolution of the legendary GPX taper, the MPX is built a half size heavy with added front end mass to help load modern fast action rods quickly while still maintaining refined presentation control. Its AST