A snowboard which has both nose and tail shaped identically. The board is meant to ride the same both ways.
A type of snowboard used in freestyle. It has an identical tip and tail so the board can be ridden in either direction.
A snowboard with an identical nose/tip and tail usually used by freestyle riders for riding in both directions.
A construction type for freestyler. It has the same nose and tail so that the board/ski can be ridden in both directions.