Scientific Anglers Sonar Sink 25 Coldwater Sink III Fly Line mrfc4040dm After years of field testing

After years of field testing

Flexible feel that won’t get stiff in the cold

You may tire of the Top Gun quotes—or not—but you’ll never go out of style

Patterned for Movement

Shop the MRFC Logo Quality Fly Tackle Sueded S/S T-Shirt – a soft

Scientific Anglers Sonar Sink 25 Coldwater Sink III Fly Line mrfc4040dm After years of field testingWhen it comes to fishing streamers in cold water, its difficult to beat the SONAR Sink 25. Designed with a short 25 fast sinking head, the Sink 25 sinking fly line gets flies deep extremely quickly and is paired with a large diameter handling section for excellent line control. When its time to get down and dirty, the Sink 25 has your back. 25 extra fast sinking head with handling line For coldwater applications An excellent streamer line Low tangle