Scientific Anglers Amplitude Smooth Redfish Cold Fly Line
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.
Let’s get this out of the way: catching a tailing redfish might be the greatest thing in the world. Just make sure you have the right line for the job. Our Amplitude Smooth Redfish Cold line is designed with a short head for quick shots, which is exactly what you’ll need when you’re poling through a marsh in 10 inches of water on a freakishly chilly fall evening.
- Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
- Short front taper and head for quick shots
| Specification | Value |
|---|---|
| Line Type | Cold Fly Line |
| Head Design | Short Head |
| Drag Reduction | Up to five times less drag |
| Durability | Eight times more durable than traditional lines |
| Key Feature | AST Plus Slickness Additive |
FAQ
What makes the Amplitude Smooth Redfish Cold line different from other fly lines?
It features a short head and front taper for quick shots, along with the AST Plus slickness additive that improves shooting performance and increases durability.
Is this line suitable for use in cold water environments?
Yes, it is specifically designed for cold water fishing and performs well in chilly conditions, such as fall evenings in marshes.
How does the AST Plus additive benefit the line?
The AST Plus additive enhances shooting ability and increases the line’s durability, making it more effective and long-lasting in use.


Keith Mackenzie –
Used this line during a fall marsh fishing trip and it made a big difference. The short head allowed for quick, accurate casts in tight spaces. The line felt smooth and didn’t drag, even in cold water. Very reliable and durable after several hours of use.
Nathan Edmunds –
Fished in a wetland with redfish and this line gave me better control and faster recovery after each cast. The shooting performance is excellent, especially in low visibility. No tangles or drag, which is a big plus.
Ava Knox –
Good for quick, short casts in shallow water. The durability is impressive, and the line holds up well after repeated use. A bit stiffer than other lines, but that’s expected for cold water performance.