The k2 Alpha keel fin is a smaller, more refined version compared to a traditional keel fin.

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.

Dimensions:

Side Fins

• Height: 4.63″
• Base: 6.34″
• Area: 22.25″
• K2 keel