Trusted Backing. Proven Strength. Cortland Micron Fly Line Backing has set the gold standard in fly line backing for decades—and 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 you’re 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 connected—strong, smooth, and reliable every time. Line Specs BREAK STRENGTH (LB) DIAMETER (INCHES) BRAID CARRIER 20 lb. .015 in. 12 30 lb. .019 in. 12
