Abstract: A window well for surrounding an open space contiguous to a building window located partly or completely below the ground surface. The window well is formed of a body having an interior wall, an exterior wall and a core material. The interior wall provides a smooth surface to which a design or paint may be applied so that the window well has an aesthetically pleasing appearance as viewed from a position inside the building. The core material provides insulation to the window well so that the window well may be covered to inhibit heat from escaping through the window. The window well is constructed so as to have low density, and high deflection and elastic memory capabilities.