Scientific Anglers - Amplitude Smooth Infinity Warm Fly Line

Scientific Anglers Amplitude Smooth Infinity Warm – The ultimate all-around freshwater fly line.

The Scientific Anglers Amplitude Smooth Infinity Warm is built to be the most versatile freshwater fly line you’ll ever fish. Designed a half-size heavy with a long head and powerful front taper, it delivers streamers with authority while retaining the finesse needed for dry flies and smaller patterns. Offering up to five times less drag and eight times the durability of traditional lines, this high-performance smooth line redefines casting efficiency and longevity. It mends effortlessly, delivers flies at all distances, and handles everything from trout and panfish to pike and steelhead. Whether you’re making long bombs across big rivers or delicate presentations in tight quarters, the Amplitude Smooth Infinity Warm proves there really is a “do it all” freshwater line. Shop online or visit Drift Outfitters in Toronto for expert advice and fast shipping anywhere in Canada.

• A warmwater version of our popular Infinity taper, Infinity Warm features a tropical coating with a coldwater core to bridge the gap between temperature extremes.
• Infinity Warm is a great option for throwing smaller poppers, hoppers, and streamers for warmwater quarry that require more finesse.
• A great option for summer days with warm boat decks when targeting trout.
• Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
• Braided multifilament core

Q: What types of fly lines do you sell?
A: Drift Outfitters carries fly lines for every fishing style and species — from delicate trout presentations to heavy saltwater setups. You’ll find floating, sinking, and intermediate lines, along with specialty tapers for Euro nymphing, spey casting, and warmwater fishing.

Q: How do I choose the right fly line for my rod?
A: Match the line weight to your rod weight (for example, a 5wt line for a 5wt rod). The type of fishing you do matters too — floating lines are best for dry flies, while sinking or sink-tip lines are ideal for streamers or deep-water presentations.

Q: What’s the difference between weight-forward and double-taper lines?
A: Weight-forward (WF) lines have their weight in the front for easier casting and distance, making them the most popular choice for most anglers. Double-taper (DT) lines offer smoother roll casts and can be reversed for extended use — great for traditional or delicate presentations, however many weight forward lines also offer these benefits, making DT lines less popular.

Q: Which fly line brands do you carry?
A: We stock leading brands RIO, Scientific Anglers, Airflo, and more. Each brand offers premium coatings, slick finishes, and tapers designed for maximum performance in both fresh and saltwater.

Q: How do I clean and maintain my fly line?
A: Rinse your line with warm, soapy water and dry it with a soft cloth to remove dirt and buildup. Use a fly line cleaner or dressing periodically to restore slickness and extend its lifespan. Proper care keeps your line floating high and casting smoothly.

Q: How often should I replace my fly line?
A: With proper cleaning and care, most fly lines last several seasons. However, if your line begins to crack, lose buoyancy, or feel sticky, it’s time for a replacement to maintain casting performance.