Rio Mainstream Trout WF fly tying Built on RIO’s ultra-low stretch

Built on RIO’s ultra-low stretch ConnectCore

Tropi-Core technology for tropical climates

This is another example where athletes working with Sitka's design team has lead to the development of a great piece of gear

Perfect for chasing trout

Rear weighted design loads rods easily and ensures effortless

Rio Mainstream Trout WF fly tying Built on RIO’s ultra-low stretchRIO's Mainstream series of fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimize rod performance with slightly heavier and shorter head lengths. Every Mainstream line undergoes the same rigorous production processes and quality control standards as all RIO fly lines, and is made in RIO's Idaho manufacturing facility. Each line is built with a slick coating on a supple memory free