5'8" - 6'4" This board is designed to be as maneuverable as possible in waves from two to six foot. The board has a considerable amount of rocker to incorporate the concaves. This keeps the board flowing smoothly through maneuvers and transitions without sticking or catching. Generally speaking this board is very fine, and is designed for very agile and fit surfers. A lot of the professional surfers in the world ride this style of board. This board has a fairly flat deck and boxy rails to keep it sensitive without bogging down through turns. The bottom shape is a very subtle single to double concave running through to slight vee in the tail. This board is available in a rounded square and a rounded pin-tail. The length and rocker line is available from 5'8" to 6'4", from 18" to 18 3/4" in width, and from 2" to 2 7/16" in thickness. If you feel you need a board thicker than this, it is recommended that you ride a longer board or consider one from the fun series.