Freshwater Monofilament Line

Izorline XXX Super Copolymer Smoke Fishing Line— 1/4lb Spools

When you need a line that disappears in the water column and holds up under pressure, Izorline XXX Super Copolymer Smoke delivers. Engineered with next-generation space-age additives, this monofilament packs exceptional strength into a small diameter — giving you more line on the spool and a stealthy edge over wary fish.

The smoke color is purpose-built for low visibility, making it a go-to for targeting sharp-eyed species like yellowtail, white seabass, and tuna. Whether you're fishing the surf, jigging offshore, or chasing trout in freshwater, XXX Copolymer performs where it counts.

Key Features

• "Xtra" Limp — Soft, supple, and easy to tie reliable knots
• "Xtra" Strong — Izorline's strongest monofilament ever produced
• "Xtra" Tough — Superior abrasion resistance for rocky structure and heavy cover
• Low Memory — Minimal coil and line twist for longer, more accurate casts
• Small Diameter — More line capacity on your reel without sacrificing strength
• Smoke Color — Near-invisible underwater for a stealthy presentation

Specifications

Note: Spools are sold by weight, not line length. Lighter test lines have more yardage per spool due to smaller diameter.

Izorline XXX Copolymer line is a favorite for anglers looking for small diameter, very strong, and low memory line. There is also something about the smoke color that seems to be less visible to fish. We like the fishability of the line and find that it hasn't failed us or our customers. The Izorline XXX Super Copolymer Smoke 1/4lb Spools offer exceptional strength and low memory in a compact diameter, making it a top choice for anglers. Its smoke color also provides a stealthy advantage by being less visible to fish. Experience the superior performance of this line and see why it's a favorite among veteran fishermen. Izorline has combined new space age additives, resulting in a monofilament that is:

• "Xtra" Limp - Soft And Easy To Tie.
• "Xtra" Strong - Our Strongest Mono Ever!
• "Xtra" Tough - Great Abrasion Resistance.

Casting is easy and the low memory makes line management simple and problem free.  The smoke color seems to blend into most water conditions better than other colors.  If you haven't tried it, we highly recommend you do.

When you need a monofilament line that ties easily without giving up strength, Izorline XXX Super Copolymer Clear Fishing Line gives you a broad 2–40 lb size range on 1/4 lb spools. The listing highlights an extra-limp feel, strong construction, low memory, and abrasion resistance, with a clear/smoke presentation that can be less visible to fish.

Tie Cleanly, Fish Confidently

Izorline XXX is built for anglers who want line that is soft and easy to tie, while still bringing the strength and toughness needed for everyday freshwater and saltwater fishing. The wide range of available sizes makes it easier to match the line to your target and setup instead of forcing one compromise size.

When Stiff Line Gets in the Way

High-memory line can make knots and handling frustrating. The XXX Super Copolymer formula is listed as extra limp and low memory, helping the line feel more manageable when you are tying, rigging, or replacing line at the bench.

What It Does Well, and What to Keep in Mind

• Easy handling: The extra-limp construction is soft and easy to tie.
• Durable performance: The listing identifies the line as extra strong and extra tough, with great abrasion resistance.
• Broad selection: Available sizes run from 2 lb through 40 lb.
• Important spool detail: The spool is sold by weight, not by a fixed length of line. Smaller diameters can provide more line on the spool, which is why pricing can vary by size.

The Right Pick If...

Choose Izorline XXX when you want a versatile copolymer fishing line with low memory, easy knot handling, and a size range that covers light freshwater work through heavier saltwater applications. Choose the 1/4 lb spool format when the amount of line you need can vary by diameter.

Best Techniques, Species, and Conditions

The current listing is tagged for freshwater and saltwater fishing, including surf, trout, calico, yellowtail, white seabass, and tuna applications. Match the lb-test option to your target species, tackle, and fishing conditions.

Best For

• Freshwater and saltwater fishing line setups
• Surf fishing and general monofilament applications
• Trout, calico, yellowtail, white seabass, and tuna setups
• Anglers who prioritize low memory, easy tying, strength, and abrasion resistance

Models and Specs

Spool format: 1/4 lb spool. Line type: copolymer monofilament. Listed color: Clear.

Tackle Express Tips

1. Choose lb test by starting with your target species and fishing conditions, then confirm the selected option in the size menu.
2. Use the SKU or UPC in the table when matching a replacement spool or checking a tackle order.
3. Remember that the spool is sold by weight, so line length changes with diameter.

Questions Anglers Ask

What sizes are available?
The current listing includes 2 lb, 4 lb, 6 lb, 8 lb, 10 lb, 12 lb, 15 lb, 20 lb, 25 lb, 30 lb, and 40 lb options.

What makes this copolymer line different?
The listing highlights extra-limp handling, low memory, extra strength, extra toughness, and abrasion resistance.

How much line is on each spool?
The spool is sold by weight rather than a fixed line length. Smaller diameters can place more line on the same 1/4 lb spool.

Need a different spool format? Compare the Izorline XXX Smoke 1lb Spools and Izorline XXX Smoke 1/2lb Spools. For a premium leader option, see the Izorline First String Premium Poly Monofilament Leader Line.

Maxima Ultragreen One Shot Monofilament Line is as strong as it comes. Anyone who has used it knows its high breaking strength and exceptional durability with abrasion. The green color is perfect for most lakes as well as inshore ocean fishing. It's soft and limp and casts well but a little KVD Line and Lure Conditioner makes it even better. So strong, it should come with a warning label! Its exceptional durability and high breaking strength make it the go-to for any angler. Plus, its green color blends in seamlessly with most lakes and inshore ocean fishing. And don't worry about any stiffness, it casts like a dream. But if you really want to step up your game, add a little KVD Line and Lure Conditioner and watch those fish bite!

220 yards

Green Color

The Line SoCal Anglers Trust

Izorline XXX has earned its reputation on the water — not in a marketing brochure. Veteran long-range and local sportboat anglers have relied on it for decades because it delivers where it counts: small diameter for more line on the spool, exceptional knot strength, and a smoke color that disappears in the water column. If you're fishing yellowtail, tuna, or white seabass, this is the line that won't let you down when the fish of a lifetime is on the other end.

What Makes XXX Different

Izorline engineered the XXX formula with space-age copolymer additives that push monofilament performance beyond what standard mono can deliver. The result is a line that's simultaneously limp enough to cast effortlessly, strong enough to handle hard-running pelagics, and tough enough to survive the rocks and structure where big fish live.

• Xtra Limp — soft, easy to tie, minimal coil memory off the spool
• Xtra Strong — Izorline's strongest mono formula, with high knot and tensile strength
• Xtra Tough — excellent abrasion resistance for rocky structure and kelp
• Smoke color — low visibility in the water column, a proven edge on pressured fish
• Small diameter — more line per spool, better bait presentation

When Line Visibility Costs You Fish

Clear water and pressured fish are unforgiving. Heavy, stiff, or high-visibility line kills bait action and spooks wary fish — especially white seabass and finicky yellowtail. The XXX's smoke color and ultra-limp formula let your bait swim naturally and your line stay out of the picture. It's the difference between getting bit and watching the fish swim away.

The Right Choice If…

• You're fishing live bait on local or long-range sportboats
• You want a mono that casts smoothly and ties clean knots without stiffness
• You're targeting clear-water species like white seabass, yellowtail, or tuna
• You need maximum yardage on your reel without stepping up in diameter
• You've been burned by cheap mono that breaks at the knot or loses strength after a few trips

At Home In These Situations

• Live bait fishing for yellowtail, tuna, and white seabass
• Slow-trolling and drift fishing on local and long-range trips
• Jigging and iron fishing as a main or backing line
• Freshwater applications where low-vis and low-memory matter

Best Conditions

• Clear saltwater — inshore, nearshore, and offshore
• Long-range and overnight sportboat trips
• Kelp and structure fishing where abrasion resistance is critical
• Any situation where fish are line-shy or water clarity is high

Best For

• Yellowtail, bluefin tuna, yellowfin tuna, and albacore
• White seabass and calico bass on live bait
• Freshwater bass, trout, and general light-tackle applications
• Anglers who want a premium copolymer without the premium price tag

Key Features

• Formula: Super Copolymer with space-age additives
• Color: Smoke (low-visibility)
• Spool size: 1lb
• Available test strengths: 20lb, 25lb, 30lb, 40lb
• Properties: Xtra Limp, Xtra Strong, Xtra Tough
• Low memory, small diameter, high knot strength

Models & Specs

Tackle Express Tips

• Spool under light tension with water or a damp cloth to reduce memory and ensure even lay on the reel — especially important on larger capacity reels.
• The smoke color is most effective in clear, blue water. If you're fishing green or murky water, the visibility advantage is less critical — but the strength and limpness still make it a top pick.
• For long-range trips, the 1lb spool gives you enough line to fill most conventional reels and have backup. Buy two if you're spooling a large-capacity reel like a Talica 20 or 25.

FAQ

Is Izorline XXX a monofilament or fluorocarbon?
It's a super copolymer — a step above standard monofilament in strength and limpness, but not fluorocarbon. Many anglers use it as their main line with a fluorocarbon leader for the best of both worlds.

What reel sizes does the 1lb spool fill?
Capacity varies by test strength. The 20lb/2,670yd spool will fill most mid-size conventional reels. Refer to your reel's line capacity specs and the yardage table above to match the right test to your setup.

Can I use this line for freshwater fishing?
Yes — the low memory, small diameter, and smoke color make it an excellent choice for freshwater bass, trout, and other species where line visibility and castability matter.

• STRONGEST LINE IN ITS CLASS
• OUTSTANDING ABRASION RESISTANCE
• DELIVERS INCREASED STEALTH AND INVISIBILITY
• UNMATCHED TOUGHNESS UNDER ALL CONDITIONS

Tournament-Grade Strength Meets Exceptional Handling Created for the discriminating salt and freshwater angler, Izorline Platinum is widely considered one of the toughest monofilament lines on the market. This advanced co-polymer line is engineered on laser-controlled extruders to be thinner and stronger, allowing you to pack more yardage onto your reel without sacrificing power.  

Whether you’re battling stubborn kelp-dwellers or casting in heavy freshwater cover, the Platinum series delivers high abrasion resistance and the low-stretch performance needed for a rock-solid hook set.  

Key Features:

• Superior Abrasion Resistance: Built to withstand rocky bottoms, structure, and toothy fish.

• Thin & Strong: Advanced co-polymer blend offers a smaller diameter than standard mono, giving you better line capacity.  

• Low Stretch: Provides increased sensitivity and more powerful hook sets compared to traditional monofilament.  

• Exceptional Handling: Soft and supple enough for easy knot tying and smooth casting on both spinning and baitcasting reels.  

• Tournament Tested: Trusted by pros for its ultimate dependability and knot strength.

300yds per spool

P-Line's fast adoption with P-Line CXX 1/4lb Spool Crystal Clear as the best co-polymer line can be attributed to its diverse versatility. From Bass fishermen who appreciated its natural green hues for stained waters and its crystal clear coloring for clear water bodies to its incredible abrasion resistance when navigating around structures, P-Line garnered a wide-spread appeal.

Saltwater anglers were also impressed by its strong knot strength and low stretch, while trout anglers noted its strength-to-line diameter ratio. When it comes to catching a big trout, yellowtail, cobia, or calico bass around a sticks or rocks, anglers trust the immense strength of P-Line to get them the catch they're after.

P-Line's fast adoption with P-Line CXX Moss Green as the best co-polymer line can be attributed to its diverse versatility. From Bass fishermen who appreciated its natural green hues for stained waters and its crystal clear coloring for clear water bodies to its incredible abrasion resistance when navigating around structures, P-Line garnered a wide-spread appeal.

Saltwater anglers were also impressed by its strong knot strength and low stretch, while trout anglers noted its strength-to-line diameter ratio. When it comes to catching a big trout, yellowtail, cobia, or calico bass around a sticks or rocks, anglers trust the immense strength of P-Line to get them the catch they're after.

Moss green

260 Yards

P-Line Monofilament CXX Smoke Blue 1/4 lb Line is the toughest, strongest, most shock resistant line on the market. If you're looking to throw into nasty cover for largemouth, battle huge tuna with your drag locked down to some ridiculous setting, or pull plugs for monster salmon in a raging river, there is only one line to trust. Tournament anglers and guides alike choose CXX because of the abrasion resistance and it's high strength to diamerter ratio. And with 5 colors to choose from, you're certain to have the perfect shade for any condition.

The Sharpest-Feeling Mono You'll Ever Spool Up

Sufix Advance Monofilament isn't your grandfather's mono. By combining HMPE (high-modulus polyethylene) with a Hyper Copolymer base, Sufix engineered a monofilament that delivers braid-like sensitivity and low stretch while retaining the castability, knot strength, and forgiveness that mono anglers depend on. Available in Clear and Low-Vis Green, 330 yards per spool.

What Standard Mono Gets Wrong

Traditional monofilament stretches too much, absorbs UV light over time, and loses sensitivity — meaning you feel the fish after it's already swallowed the bait. High memory causes coiling off the spool, hurting casting distance and accuracy. Sufix Advance was built to fix all of that without sacrificing the handling characteristics that make mono the go-to line for finesse and light-tackle fishing.

Built for Sensitivity Without Sacrificing Forgiveness

With 50% lower stretch than standard monofilament, Sufix Advance transmits strikes and bottom contact directly to your hands — while still offering enough give to prevent hook pulls on hard-fighting fish. The low memory formula lays flat off the spool for smooth, long casts, and the HMPE-enhanced construction delivers knot strength that holds under pressure.

Advantages Over Standard Monofilament

• 50% lower stretch — dramatically improved sensitivity and hooksets
• 50% lower UV absorption — longer line life, less degradation in sunlight
• Superior abrasion resistance — handles rocks, docks, and structure
• Low memory — lays flat for smooth, long casts with minimal coiling
• Unbeatable knot strength — holds Palomar, improved clinch, and uni knots reliably
• Smooth casting — consistent diameter for accurate presentations

The Right Pick If...

• You want mono sensitivity closer to braid without switching line types
• You fish finesse techniques where feel and hookset timing matter
• You need a durable, low-memory mono for spinning or baitcasting setups
• You want a clear or low-vis green option for pressured, clear-water fisheries
• You're spooling a reel for trout, panfish, walleye, or light bass applications

Best Fishing Techniques

• Drop shot & finesse rigs — low stretch improves feel and hookset efficiency
• Slip bobber fishing — smooth casting and low memory for clean presentations
• Light jig fishing — sensitivity lets you feel subtle bites and bottom contact
• Trout fishing — low visibility and light line weights ideal for clear streams and lakes
• Surf fishing — abrasion resistance handles sand, rocks, and structure
• Spinning reel applications — low memory eliminates coil and line twist issues

Best Conditions

• Clear to lightly stained water where line visibility matters
• Light to medium cover — docks, rocks, submerged timber
• Cold water fisheries where line suppleness is critical
• High-sun conditions where UV resistance extends line life

Best For

• Species: Trout, Panfish, Walleye, Bass (light tackle), Surf species, Crappie
• Techniques: Drop shot, slip bobber, light jigging, finesse fishing, surf casting
• Setups: Spinning reels, ultralight to medium-light baitcasters

Key Features

• HMPE + Hyper Copolymer construction for sensitivity and strength
• 50% lower stretch and UV absorption vs. standard mono
• Low memory formula for smooth, tangle-free casting
• Unbeatable knot strength — holds all standard fishing knots
• Available in Clear and Low-Vis Green
• 330 yards per spool | HS Code: 9507902000

Models & Specs

Available in 4lb through 14lb in both Clear and Low-Vis Green. See the variant selector above for current in-stock sizes and colors.

Tackle Express Tips

• Stretch to your advantage: On treble-hook lures like crankbaits, the slight remaining stretch in Advance mono acts as a shock absorber — reducing hook pulls on aggressive strikes better than braid or fluorocarbon.
• Color selection: Use Clear in ultra-clear water or when targeting line-shy trout and panfish. Switch to Low-Vis Green in stained or green-tinted water to blend with the environment.
• Spool tight: Fill your spinning reel to within 1/8" of the spool lip — Advance's low memory means it won't balloon off the spool, and a full spool maximizes casting distance.

FAQ

How is Sufix Advance different from regular monofilament?
Sufix Advance uses a hybrid HMPE + Hyper Copolymer construction that gives it 50% less stretch and 50% lower UV absorption than standard mono. This translates to better sensitivity, longer line life, and improved hookset performance — while still casting and handling like traditional monofilament.

What's the difference between Clear and Low-Vis Green?
Clear is best for ultra-clear water, pressured fish, and situations where line visibility is a concern. Low-Vis Green blends into stained, green-tinted, or weedy water environments. Both offer identical performance specs — it's purely a visibility choice based on your fishing conditions.

Is Sufix Advance good for spinning reels?
Yes — the low memory formula is specifically beneficial for spinning reels, where high-memory mono tends to coil off the spool and cause line twist. Advance lays flat, casts smoothly, and resists the coiling issues common with standard mono on spinning setups.

P-Line's fast adoption with P-Line CXX Crystal Clear as the best co-polymer line can be attributed to its diverse versatility. From Bass fishermen who appreciated its natural green hues for stained waters and its crystal clear coloring for clear water bodies to its incredible abrasion resistance when navigating around structures, P-Line garnered a wide-spread appeal.

Saltwater anglers were also impressed by its strong knot strength and low stretch, while trout anglers noted its strength-to-line diameter ratio. When it comes to catching a big trout, yellowtail, cobia, or calico bass around a sticks or rocks, anglers trust the immense strength of P-Line to get them the catch they're after.

Crystal Clear

260 Yards