By far the most popular design around today. The straighter tail outline shape gives more drive. The greater area gives more manueverability. Great in all conditions

More pinny than a rounded square. Because of the increased curve in the outline works better in hollower waves.

Straighter outline gives more drive and good leverage for squarer turns. Seems to hold well on the wave face.

Straight outline produces good hold and drive. perfect on big wave boards.