Fluorocarbon trout leaders are designed to be stiff, abrasion-resistant, and quick-sinking. The underwater visibility of fluoro is also much lower than that of mono, and it’s generally stronger and ...

Walk into just about any fly shop, and you’ll see a whole wall stocked with trout leader options. 9 ft 5x, 7.5 ft 4x, 12ft 4x – for most new fly anglers, the labels are a collection of numbers that ...