Crate&Barrel - Mason Shadow Full Size Bed Frame. Mason modernizes the classic solid iron bed with the slightest arch to the head- and footboard. In this clean, lighter update, delicate oval finials nod to tradition and a rich charcoal powdercoat adds warmth and contemporary color. Designed by Royce Nelson, the Mason King Bed is a Crate and Barrel exclusive. Mason Shadow Full Bed57.5"Wx79"Dx55H. Solid iron and steel tubing with charcoal powdercoat finish.