This fin set was designed by one of the pioneers of the modern big wave movement, Garrett McNamara. He designed these fins to work in powerful surf in a variety of boards. When it's overhead these fins are proven to perform in your Stand Up, Gun or Tow-Board.
carbon / texalium
The energy you load up on a carbon fiber fin comes back in a burst of energy. Combine that with texalium for even more spring out of your turns.
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.