

We offer free standard shipping to every province and territory in Canada.
We offer free standard shipping to every province and territory in Canada. No minimum purchase is required, and all orders include tracking for your convenience.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Deliveries to Canada’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Semperfli Extreme Fishing String redefines predator fly tying with expertly dyed hackles that shimmer under light thanks to embedded metallic glints. The generous 40mm hackles help you craft bold, high-visibility flies that move with purpose in both calm and choppy water.
Designed for anglers who chase big game, this string covers a broad color range and features fibers that respond well to brushing, enabling you to unlock textured bodies and expressive profiles without changing your tying approach. It’s built to perform across freshwater and saltwater environments, where the right hue and sheen can make your patterns stand out.
Real-life scenarios include presentations to wary predators along weed edges at dawn, or quick retrieves along murky river mouths where metallic glints catch the eye. The 40mm hackles provide a substantial silhouette that supports quick, visible movement, helping patterns read as larger than life without added complexity.
Availability is broad: Semperfli offers a rich palette to match popular patterns and water conditions, with a single pack set up for multiple high-quality, repeatable flies. The 40mm length keeps options open for larger streamer-style designs, while the dyed finish helps your creations maintain color and shine under sun and spray.
Q: What features make Semperfli Extreme Fishing String stand out?
A: Exceptionally dyed hackles with integrated metallic glints and 40mm length support bold predator flies.
Q: How do I get the best results when tying with Extreme String?
A: Brush fibers with a toothbrush to increase separation, then use vivid colors for Pike, Muskie, and other predators.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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