Santa Cruz Erick Winkowski shaped deck on Erick's original shape with 7 ply North American Maple. Cruz Missile II concave is Santa Cruz's infamous tech concave from the 1980s with aggressive, multi-dimensional side to side concave and tail kick along with forward set rocker that comfortably lock in your feet in key areas for a completely unique riding experience. Measures 10.34" x 30.54" with a 15" wheelbase.