what is the fly fishing line called

Airflo Impact Mono Running Line

The Airflo Impact Mono Running Line is a popular choice among fly anglers, particularly for Spey casting and overhead casting with two-handed rods. Here’s what you need to know about it:

Key Features:
1. Material: Made from high-quality monofilament, offering a balance of strength, smoothness, and low stretch for efficient energy transfer.
2. Low Memory: Designed to resist coiling, ensuring smooth shooting through the guides.
3. Diameter: Typically around 0.035–0.040 inches, providing a good balance between thinness (for distance) and durability.
4. Slick Coating: Some versions have a low-friction coating to enhance shootability.
5. Compatibility: Works well with Skagit, Scandi, and shooting head systems.
6. Length: Usually sold in 100-foot spools, allowing for customization based on setup needs.

Best Uses:
– Spey & Switch Rods: Ideal for Skagit or Scandi heads where a smooth, low-memory running line is crucial.

Airflo Impact Mono Running Line

– Overhead Casting: Performs well with shooting heads in saltwater or big river applications.
– Versatility: Suitable for both floating and intermediate/sinking tip setups.

Pros:
✔ Smooth, tangle-free performance
✔ Minimal stretch for solid hook sets
✔ Durable and abrasion-resistant
✔ Affordable compared to some competitors

Cons:
✖ Can be stiffer than some coated running lines (may require breaking in)
✖ Not as ultra-thin as some high-tech alternatives

Alternatives to Consider:
– Rio SlickShoot (thinner, coated)
– SA Mastery Shooting Line (floating, slick coating)
– OPST Commando Smooth (for ultra-low drag)

Final Verdict:
The Airflo Impact Mono Running Line is a reliable, cost-effective option for anglers who need a no-nonsense running line for Spey or overhead casting. If you prioritize durability and smooth shooting, it’s a great choice—though if you want an even slicker, thinner line, consider coated alternatives.

Would you like recommendations based on your specific setup (e.g., Skagit vs. Scandi)?