Streamer Sink Tip 15

Streamer Sink Tip 15 is built with an aggressive short taper design that features a 15 ft type 6 sinking tip (6 Inches Per Second). The over-weighted head loads rods quick and easily casts all streamer patterns. Our Tungsten Tip Technology ensures your flies get down immediately. Designed for larger rivers with deep and fast currents.

- 15ft Type 6 Sink Tip
- Short Aggressive Taper
- Floating Running line

WATER: Freshwater
LINE: Floating / Sinking
TAPER: Weight Forward
LENGTH: 100ft
CORE: Braided Nylon Multifilament
SPECIES: Trout / Steelhead / Salmon / Bass

Size WF5S/F

United States deliveries usually take 3-8 business days.

International deliveries can take up to 7 - 18 days.

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 P65 - WARNING: Cancer and Reproductive Harm

Streamer Sink Tip 15 Breakdown

The Streamer Sink Tip 15 was designed to present unweighted and weighted streamers in the lower water column.

This unique sink tip fly line features an aggressive head design with a short 6 ft. body that loads quickly and shoots large fly’s with minimal false casts. The 15 ft. type 6 (5-6 IPS) sink tip utilizes our revolutionary Tungsten Tip Technology to give your fly a smooth transition into the depths and keep your fly there throughout your retrieve.

We built this fly line a full line size heavy to properly load fast, modern action rods. A 15 ft. sink tip integrated into the head of this fly line allows for complete depth versatility. Work your fly fast to cover the middle water column, get down quickly in heavy currents and riffles, or fish large pools low and slow for those winter streamer bites. Our signature Shooting Technology decreases friction within the guides for a slick shooting feel throughout its entire life span.

Keep your streamer in the strike zone with the Streamer Sink Tip 15 Fly Line.

SPECIES: Trout / Steelhead / Salmon / Bass

Freshwater Sinking / Floating Weight Forward Braided Nylon Multifilament

WF 5 160 gr. 31 ft. 100 ft.
WF 6 185 gr. 31 ft. 100 ft.
WF 7 210 gr. 31 ft. 100 ft.
WF 8 240 gr. 31 ft. 100 ft.


Dual Welded Loops Technology Icon

Welded loops make rigging fast, easy and reliable. Cortland loops are strong, secure and durable.

Shooting Technology Icon

ST coating delivers a reduced-friction performance with a glass-smooth finish and remains a key element in line slickness over its life span.

Tungsten Tip Technology Icon

Premium Tungsten material combined with unique tapers for fast sinking presentations.

Cold Temperature Technology Icon

Ideal use in 30-50 degree (F) temperatures.

Warm Temperature Technology Icon

Ideal use in 50 - 70 degree (F) temperatures.


Our Streamer Sink Tip 15 fly line is built for cold water environments and will perform best in temperatures between 30 and 70 degrees (F).

Our Streamer Sink Tip 15 fly line was designed to keep your fly deep consistently throughout your retrieve. This is a great line for working streamers off bottom on those cold winter days or getting your fly down in heavy current.

The black and green color combination distinguishes the transition between sinking and floating portions of the line, and provides depth reference on your retrieve. These colors are stealthy yet traceable in freshwater environments.

Cleaning your fly line is very important especially when fishing saltwater. Simply pull line off your reel into a clean bucket or tub of freshwater. Put roughly 1oz or more of Cortland’s Line Cleaner solution onto a clean rag or towel. Firmly squeeze the towel with Pro Line Cleaner around the line and slowly pull line through the towel. You should be able to see dirt or discolored streaks on the towel when finished.

Learn more about Cortland's Fly Line Cleaner Lubricant & Pads.

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Based on 3 reviews
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3 Reviews
Reviewed by Colten F.
Verified Reviewer
I recommend this product
Rated 5 out of 5
Review posted

Streamer Fishing Made Easy with the Cortland's Streamer Sink Tip 15 Fly Line

I bought the Cortland's Streamer Sink Tip 15 5 wt. fly line and I'm very happy with it. It sinks fast and stays in the strike zone longer, which is perfect for streamer fishing. It casts smoothly and accurately, and it doesn't coil up like some other sinking lines. It's also durable and easy to clean. I highly recommend this fly line for anyone who wants to catch big fish with streamers.

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Reviewed by Devin A.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

The best sink tip line out there!

I’ve tried every brand of fly line there is, and when it comes to sink tip nothing compares to Cortland! It’s worked wonders on bigger water for salmon and I can’t wait to head to a trophy cutthroat lake with it spooled up soon!

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Reviewed by Nick S.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Gets down fast

When the river is up and you need to get down fast this line does the trick. Handles great, casts well, and sinks like a champ. Does exactly what a streamer sink tip should.

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