Rocky Mountain Fly Shop carries a wide selection of fly lines and backing from basic floating lines to specialty lines for Euro Nymphing, Fast sinking or even casting Large foam rigs and indicators. Our brands include RIO, Scientific Angler, Temple Fork Outfitters and Amundson to name a few.

Fly Lines & Backing

21 products

$14.95

Booby flies are particularly effective in stillwater fishing situations. However, they need unique setups to fish them properly. We created a 5-foot floating Booby Tip that attaches to the end of a...

Generic Sink Tip Fly Lines - Rocky Mountain Fly Shop

$25.00

Economy fly line. Light green floating main line with full sinking black tip.

$22.00

The best line treatment and simplest line cleaning tool in one packageSimplicity + Science = Happy Fly Lines. Line Speed is hands down the best treatment available for floating fly lines and you'l...

$99.00

The Orvis Hydros Nymph Line handles heavier flies for more productive fishing days.

Scientific Anglers - Sonar Stillwater Series

$99.95

One day, long ago, in a kingdom far, far away, we dreamed up a line that would sink, but not sink too much, one that would simply hover beneath the surface. Fast forward thousands of years and the ...

Scientific Anglers - Amplitude Textured Trout

$129.95

The first series of lines to feature the revolutionary AST PLUS slickness additive, Amplitude Textured will shoot farther and last longer than any other line on the market. It’s slickness down to a...