Santa Cruz Skateboards Classic Dot Series deck on new 3D concave. 3D concave features a medium depth concave with lower, continuous nose and tail kick, plus concave in the nose in tail that combine to create pockets to lock in your feet. 7 ply North American Maple pressed individually using epoxy making a strong, responsive deck with long lasting pop and consistent concave and kick, topped off with our signature matte finish.