Features: The SHIM is perfect for intermediate to advanced riders looking to take their skills to the next level The SHIM has a fast rocker that allows it to carry speed anywhere on the curl, its shorter profile makes it super maneuverable for rotational and air tricks This shape also features our DuraShell Construction which combines the buoyancy and feel of a high-end EPS board and the durability of a compression molded shape The SHIM delivers the best of all worlds, a crossover design for both skim and surf styles, run all three fins for the surf style hold or just the center fin so the board breaks free with easy for skim style maneuvers