Skim City says... Rotation And Tech. This is a board designed for technical tricks that also isn't bad at riding waves. The nose and tail of this board are weighted so that is is much easier to spin the board and keep it level while doing so. For any size rider up to 180lbs. This board has a carbon bottom and an e-glass top... Get yo rat on! For more information call Skim City at 877-774-SKIM (7546).