Fly Line Backing
Micron Fly Line Backing - Seafoam
The backing standard for more than 50 years.
Tight, round Dacron braid with smooth handling, low stretch and dependable knot performance.
Water
Freshwater,
Saltwater
Color
Seafoam
Material
Premium Dacron
Construction
12-Carrier Round Braid
Best Use
All-Purpose Backing
Cortland Micron Seafoam is an all-purpose fly line backing made from premium Dacron fibers. Its tight, round 12-carrier braid creates a smooth, consistent profile that packs evenly onto the reel and moves through the guides with minimal friction.
Stretch-resistant construction, zero-twist handling and dependable knot performance make Micron a trusted choice for freshwater and saltwater fly reels. It is available in 20 lb and 30 lb strengths across multiple spool lengths for single-reel setups, multiple reels and shop spooling.
The Seafoam color provides a distinctive but understated alternative to traditional white and brighter high-visibility backing colors.
Stretch-resistant construction, zero-twist handling and dependable knot performance make Micron a trusted choice for freshwater and saltwater fly reels. It is available in 20 lb and 30 lb strengths across multiple spool lengths for single-reel setups, multiple reels and shop spooling.
The Seafoam color provides a distinctive but understated alternative to traditional white and brighter high-visibility backing colors.
United States deliveries usually take 3-8 business days.
International deliveries can take up to 7 - 18 days.
If you have any question about shipping Contact Us our customer service department is here to help.
⚠ P65 - WARNING: Cancer and Reproductive Harm
- www.P65Warnings.ca.gov
Micron Backing Specifications
Choose the break strength and diameter that best match your reel, fly line and target species.
| Break Strength | Diameter | Construction |
|---|---|---|
| 20 lb | .015 in | 12-Carrier Round Braid |
| 30 lb | .019 in | 12-Carrier Round Braid |
Available in 100, 250, 1,000, 2,500 and 5,000-yard spool lengths.
Design Features
Premium Dacron fibers
Tight round 12-carrier braid
Smooth low-friction finish
Stretch-resistant performance
Zero-twist construction
Tangle-resistant handling
Dependable knot performance
Best For
Freshwater fly reels
Saltwater fly reels
All-purpose backing
Standard and large-arbor reels
Dependable backing-to-line connections
