Trusted Backing. Proven Strength.

Cortland Micron Fly Line Backing has set the gold standard in fly line backing for decadesand for good reason. Its tight, round braid offers superior strength and minimal friction, delivering smooth runs and flawless performance when big fish head for the horizon. Made from premium Dacron fibers, Micron is stretch-resistant and tangle-free, giving you total confidence when youre deep into your backing.

Unlike loose or flat weaves, Micron lays evenly on the spool, knots cleanly, and stays true even after repeated use. Whether you’re targeting trout, steelhead, or tarpon, this is the backing serious fly anglers trust to hold up under pressure.

Key Features

• Tight, round braid ensures smooth performance and consistent lay
• Low-friction finish reduces drag during long runs
• Made from premium Dacron for durability and strength
• Stretch-resistant design maintains pressure and hook sets
• Virtually tangle-free and lays flat on the spool
• Knots cleanly and securely with no twist issues

The Backing You Can Trust

When the fish runs and your line disappears, Cortland Micron keeps you connectedstrong, smooth, and reliable every time.

Line Specs