The Futures Fins Al Merrick Keel Twin Fins by Channel Islands is a modern take on a classic design. The AMK features a modern rake and graduated tip flex that's finely tuned for fast, high performance surfing. This keel-fin design is built to rip, but also ideal for those that just want to groove.
Fin Size Detail
Fins
Height
Base
Area
Angle
Foil
Sides
5.15"
6.46"
25.54"²
5.5°
Flat
Product Info
The Futures Fins Al Merrick Keel Twin Fins by Channel Islands is a modern take on a classic design. The AMK features a modern rake and graduated tip flex that's finely tuned for fast, high performance surfing. This keel-fin design is built to rip, but also ideal for those that just want to groove.
Fin Size Detail
Fins
Height
Base
Area
Angle
Foil
Sides
5.15"
6.46"
25.54"²
5.5°
Flat
Product Details
Fin Type: Futures Fins
Size: L
Template: Keel (speed control, drive, trim)
Fins in Set: Two
Fins Configuration: Twin
Construction: Fiberglass
MPN: 103926420
Product Construction
Fiberglass
The Fiberglass fins provide stability for powerful surfers in all conditions. They are built from solid Fiberglass panels with Foils that are precision cut by CNC, then hand finished to perfection. These fins fit into the 1 to 4 Ride Number range as the most Speed Controlling options in the Futures Fins line. Make sure to have a set of these in your fin quiver for powerful conditions.
Warranty
This product is backed by a warranty from the manufacturer. Click below for details on the warranty policy for Futures Fins products.
Futures Fins Limited Warranty
Futures Fins is proud to stand behind the highest quality performance products for your surfing and paddling experience. They offer a 1-year limited warranty against manufacturing defects. This does not include damage caused by normal wear and tear, misuse or inappropriate use or alterations to the product (sanded, painted, etc).
Products deemed a manufacturing defect will be repaired or replaced at the discretion of Futures Fins. Futures Fins will not be responsible for any costs, losses or damages incurred as a result of loss or use of product.
Proof of purchase is required for all warranty claims.
Faulty items will be exchanged for new items within 2 weeks of receiving the product.
Futures Fins will cover the cost of shipping your replacement product.
For additional questions and support, feel free to contact Cleanline Surf's Customer Service department for friendly assistance at 1-888-564-6176.
Returns
If you are not 100% satisfied with your purchase you may return it for a refund, or exchange within 30 days of receiving your order.
Cleanline Surf General Return Policy
Holiday Returns
For any orders placed after Nov 1st, 2025, we have extended our normal 30-day return policy to allow returns through January 31st, 2026.
Returns are easy! We understand that in some situations returns may be necessary. We also want you to be stoked on your purchase. If you are not 100% satisfied with your purchase you may return it for a full refund, within 30 days of receiving your order. Items must be in new condition with original tags and packaging.
Please refer to our full Return Policy for more details.
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