Backing

Backing is what you put on before you attach your fly line to your reel. It provides extra insurance if a big fish runs and takes all the fly line.  It fills the reel to make retrieve faster. It isn't needed but it does solve a few important fly fishing problems and makes the experience easier.

Backing is often 20 or 30 pound braided Dacron that is in place in case a large fish takes all of your fly line. Wild Water has bright orange braided Dacron backing and bright yellow Gel-spun backing. Gel-spun backing is great because you can put much more on your reel due to its' smaller diameter. Be sure to attach backing to the fly reel using the arbor knot and then tie the fly line to the backing with a Albright knot.