These fins are designed by George Greenough and are targeted at the “Edge” board project. The “outline” is a very slender design that will harness heaps of power while maintaining very low drag. Longer, point break style waves are the call to realize full potential. Look for more on this design in the future as we experiment with different materials and flex patterns. Currently we are making these fins in Volan and we try to keep them relatively stiff. If there is too much flex they tend to lose power.