The four to six-weight fly rods are the most popular fly rod sizes in the world. They are targeted at trout, but also capable of taking on smallmouth bass and panfish. Whether you fish streams, rivers or lakes, with floating, sink tip or full-sink lines, there is at least one G Loomis four to six-weight fly rod that will meet your needs. Travel rods are also offered in the GLoomis four to six weights.