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SURF
K1 Honeycomb akila fiberglass
K1 Fiberglass
The K1 Keel fin is Future’s classic Keel Fin design. The fiberglass construction provides the classic stiffness and resiliency you expect out of a twin fin setup.
dimensions
side fins:
Height: 5.07"
base: 6.65"
area: 25.53"
K1 Fiberglass
construction
FIBERGLASS
Fiberglass is stiff and tough for heavy conditions or surfers that appreciate very stiff fins.
RIDE NUMBER
2.5/10

Ride Number is all about how your equipment feels while you're surfing. Now you can choose a Speed Generating Feel that is springy and responsive by picking a fin in the 10-7 range, or a solid, engaged, and predictable feel from the Speed Control category rated 4-1. For a Balanced feel try a Ride Number of 7-4.

Learn more: RIDE NUMBER

foil
FLAT Foil
Flat foiled fins break free sooner, and are better at controlling speed. Often surfers prefer them in fast powerful surf where they do not need to create additional speed. If you have muscle memory from riding glass-ons, flat foiled fins will feel the closest.