Snowboard Arbor Coda Rocker 2020/21 Specifications System Rocker - a rocker bend that is more pronounced in the middle of the board. At the toe and heel, the rocker is reduced, for maximum performance at higher speeds, arc cutting and landing. Rocker brings an easier start to the curve, better sailing in powder and an overall smoother ride. American Black Walnut Power Ply - added layer of glass fibers inside the R board.A.P. Topless Technology - elimination of Bio Plastic Top Sheet,