Quick Summary
The SF Hi-Viz WF4F/S is a 100FT fly fishing line with a sinking tip profile and a floating line section. It is described as a weight forward taper line in fluorescent yellow and black, with a fast-sinking 11FT tip and welded loops at each end.
For buyers, the main checks are the line weight, the sinking tip format and the stated length. Those details matter because they affect how the line matches the rod setup and the kind of presentation you want from the line.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Fly fishing sinking tip line with floating section. |
| Line code | WF4F/S. Check this against your rod and line needs. |
| Length | 100FT. Useful when comparing overall line length. |
| Tip | Fast-sinking 11FT tip with a stated sink rate of 5 ips. |
| Construction | PVC coating with braided core. |
| Loops | Welded loops at each end for connecting to a leader. |
| Colour | Fluorescent yellow and black. |
What to Compare Before Buying
- Line weight: This line is WF4F/S, so match the weight marking to the rod setup you intend to use.
- Tip style: It uses a sinking tip rather than a full sinking profile, so check that this suits the way you plan to fish.
- Length: The stated length is 100FT, which is worth comparing with your preferred line setup.
- Connection points: The welded loops at each end make leader connection part of the choice.
- Visibility: The fluorescent yellow and black finish may matter if line visibility is important to you.
Before You Decide
Confirm that WF4F/S is the correct line weight and sink-tip format for your rod and fishing setup. Check the 100FT length and the fluorescent yellow and black colour before choosing an offer. If you need a full floating line or a full sinking line instead, this is a different line type.






