Loading... Please wait...

Monic Ultra Sensitive GSP Skyline

SKU: 485-104
In Stock

    Monic has completely rebranded and re-engineered their entire lineup of lines.  These lines simply keep getting better. 

    The first thing you will notice about the Monic GSP Skyline is how IT CASTS. The responsiveness delivered from the rod to the line, and back to the hand, is like no other. When we eliminate the stretch in the core, direction changes can be issued on demand. The FULL POWER of the fly rod is preserved from pickup to delivery. Hook sets can be achieved with authority from ANY DISTANCE. Whether you are stalking calm-water, midge-sipping brown trout or tackling giant trevally, the sensitivity of our GSP Skyline combined with the strongest core on the market gets the job done every time.

    Strength and Stretch

    The core found in the GSP Skyline has a breaking strength of 72 pounds. The complete lack of stretch in these fly lines, compounded with the strongest core available, translates the most subtle of takes back to the hand of the angler to virtually eliminate the chances of missing fish. Hard charging tuna, tarpon, giant trevally, and pelagic species can brought to hand quicker, thus reducing chances of exhaustion and mortality. Even the longest of casts can now be paired with long-distance hooksets without loss in reaction time due to fly line stretch. 

    Factory-welded loops are additionally reinforced to the point where the loop weld will actually outperform the core strength. This unmatched strength is critical at these high-stress locations. 


    Unlike vinyl, or PVC fly lines, the clear, polyethylene coating on GSP Skyline does not contain the volatile chemicals that must be added to PVC in order to create a fly line. This shift in technology is important to maintain the durability of the line. Previously, these chemicals would constantly migrate into the environment. This is why we steer away from PVC baby toys and food containers—they emit poison. As those chemicals migrate out of the plastic, a void is created in the compound. Not only does this alter the compound from its initial characteristics, but that void forces the compound to crack over time. This is where the circumferential cracks on a PVC fly line are born. Add dirt, oil, and other foreign debris to the cracks and performance degrades. Monic lines do not lose material over time, and therefore do not crack. This is important in the overall durability of the line and its performance longevity for the angler. 

    Temperature Sensitivity

    Fly fishing is a year-round sport and takes place in a variety of locations and environmental situations. For years, fly lines have been marketed as cold water, arctic, tropical, still water, warm water, etc. This delineation of the product line causes complexity for both anglers and fly shops. All Monic fly lines are suitable for all temperatures. A Monic line will perform equally well in all temperatures, whether it is used for winter steelhead with snow on the riverbank or if it is being directed toward tailing permit from the bow of a hot skiff in the tropics. This saves the angler time, money, confusion, and space.


    GSP Skyline is made with a gel-spun polyethylene core and a specific blend of polyethylene polymers to create the clear coating. All of these materials begin lighter than water (Specific Gravity < 1.0). The buoyancy of this shooting line, combined with its natural tendency to repel water allows for long, effortless mends and easier pick ups so that you can keep the fly where you want it. 

    Made in the USA

    Monic Fly Lines are made by the hands of a few dedicated individuals in Boulder, Colorado – USA. The line, its core, the spools, the box, and even the ink and labeling are all made in the USA. 


    TIP – 1'
    FRONT TAPER – 5'
    BELLY – 25'
    REAR TAPER –  5'
    RUNNING LINE – 54'
    TOTAL LENGTH – 90'/27.5M







    Sign up for our newsletter

    View Cart Go To Checkout