Cortland Micron Backing - Orange Line Size:1000yd the Magnum fly line is

the Magnum fly line is built for tossing large flies

Coolcore® cooling technology and UPF50 are combined to make Simms most advanced sungaiter to date

Front-loaded weight distribution that loads rods quickly and effortlessly

The tips come with two sink rates- the back half of the tip is a slower sink than the front half

Run is moderate sink rate

Cortland Micron Backing - Orange Line Size:1000yd the Magnum fly line isCortland Micron fly line backing rates as the toughest, smoothest and finest backing. Its unique low stretch factor eliminates the danger of building pressure on the reel. The very small diameter of Micron backing also allows for more yardage on your reel so you can fish with Cortland confidence.