Monic GSP Skyline Fly Line

GSP Skyline is a fly line that utilizes a Gel Spun Polyethylene core which is the most advanced core material on the market. The ultra-low diameter of this core combines with superior strength and zero stretch to offer a fly line that is stronger, more durable, and the most sensitive line you will ever use.

The increased sensitivity found in GSP Skyline translates into longer casting abilities, more positive hook sets, and 100% of the power of a fly rod getting translated directly to the fly. With a 72lb test rating at its core, GSP Skyline is the strongest fly line available. The welded and reinforced loops on GSP Skyline are tested to exceed the core strength in these high-stress locations. We recommend using a loop-to-loop connection to both your leader and backing to maintain this durability.

The GSP Skyline taper is designed to excel in all fishing situations. All Monic fly lines can be used for both tropical, and cold-weather fly fishing. 


Store your Monic Fly Lines at room temperature. Rinse all fly fishing equipment with fresh water after saltwater use. Line can be cleaned and/or lubricated with Monic Microslick Fly Line Dressing.