Angler fly fishing in freshwater
333 Series

Dependable lines for everyday fishing.

Durable, satin-smooth fly lines built for modern action rods and dependable performance.

Introduced in 1953, the 333 Series was the first synthetic fly line ever produced. Today, the series has been reengineered for modern action rods, giving you durable, satin-smooth fly lines with dependable performance at an approachable price.

 
 
Bass Panfish 333 Series Box and Fly Line. The coil is yellow. The box is also yellow and the Cortland logo is black.
 
 
 
Salmon 333 Series Box and Fly Line. The coil is marigold. The box is also yellow and the Cortland logo is black.

Compare 333 Series fly lines

Compare line type, application, and presentation style before choosing your setup.

Line Type / Profile Use For
333 Trout All Purpose Weight forward floating line Dry flies, nymphs, streamers, mending, and roll casts
333 Bass Panfish Aggressive floating taper Bass, panfish, lakes, rivers, ponds, topwater flies, and streamers
333 Double Taper Double taper floating line Dry flies, nymphs, streamers, mending, roll casts, and classic line control
333 Sink Tip Sink tip line Pulling flies into the feeding zone with a 2 to 2.5 IPS sink rate
333 Full Sinking Type 3 Type 3 full sinking line Deep lakes, faster rivers, moderate depths, trolling, and suspended fish
333 Salmon Weight forward floating line Salmon, steelhead, freshwater fishing, and full floating presentations
Quick guide: Start with Trout All Purpose for the most straightforward freshwater setup, Bass Panfish for warm-water species and larger flies, and Double Taper for roll casting and line control. Choose Sink Tip or Full Sinking Type 3 when you need to fish below the surface, and Salmon for salmon or steelhead setups.