SA Amplitude Smooth Infinity – Salt
The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.
The Infinity Salt is technical, versatile, accurate and simply the most advanced saltwater line available. Featuring the revolutionary AST Plus slickness additive for superior shooting ability and increased durability, the Infinity Salt will handle the most rigorous of conditions year after year. The Infinity Salt is a half line weight heavy to turn over any fly on even the windiest of days. The extended head length makes it more accurate than short shooting heads so that you can land your fly to spooky fish in the most efficient manner.
| Specification | Value |
|---|---|
| Line Type | Smooth Fly Line |
| Weight | Half Line Weight |
| Special Feature | AST Plus Slickness Additive |
| Use Case | Saltwater Fishing |
| Durability | Eight times more durable than traditional lines |
| Drag Reduction | Up to five times less drag |
FAQ
What makes the Infinity Salt different from other saltwater fly lines?
The Infinity Salt features the AST Plus slickness additive, which provides superior shooting ability and increased durability. It also has an extended head length for greater accuracy and performs well in windy conditions.
Is the Infinity Salt suitable for windy days?
Yes, the Infinity Salt is designed to handle windy conditions with its half line weight and extended head length, allowing for better fly turnover and accuracy.
How does the AST Plus additive improve performance?
The AST Plus additive enhances shooting accuracy and reduces friction, resulting in smoother casting and improved durability under harsh saltwater conditions.


Thomas Gray –
I’ve used the Infinity Salt for several seasons now and it’s noticeably easier to cast in strong winds. The line stays true and lands accurately, even on distant targets. The durability is impressive after repeated use in saltwater environments.
Christian Simpson –
This line outperforms others I’ve tried in terms of smoothness and accuracy. The AST Plus additive makes a real difference in how it shoots. I can now consistently reach deep water spots without losing control.
Sebastian Hunter –
Great for saltwater fishing, especially in windy conditions. The extended head helps with precision, and the line feels more responsive than standard models. A bit heavier than expected, but worth it for performance.
Yvonne Walsh –
After using it in coastal and offshore fishing, I can confirm the durability and low drag. It handles salt exposure well and maintains performance over time. Highly recommended for serious anglers.