Scientific Anglers Fly Lines have defined innovation in fly fishing for more than half a century. Since introducing the first modern floating fly line in 1954, the Midland, Michigan–based company has continued to push performance forward.

With breakthroughs like Microballoons for improved flotation, tungsten-infused sinking lines, and Advanced Shooting Technology, Scientific Anglers has earned a reputation for engineering the most consistent, high-performing lines in the world.

From trout streams to saltwater flats, Scientific Anglers Fly Lines deliver precision, durability, and smooth casting in every environment. Explore our selection at Lost Coast Outfitters and fish with the same technology trusted by generations of anglers.