Abstract: An immobilizing orthopedic cast includes a permanent immobilizing casting layer that incorporates a mesh design of rods aligned parallel and perpendicular to each other so as to create apertures in the surface of the immobilizing orthopedic cast. To stabilize the affected extremity, the immobilizing mesh cast is positioned around the affected extremity. The casting layer is made from a waterproof composite material that is pre-impregnated with a resin. The casting layer is cured via a reaction between the resin and a catalyst, thereby immobilizing the affected extremity to allow for healing. The apertures allow for ventilation of the affected extremity. The apertures further allow one to view the affected extremity. The apertures further allow one access to the affected extremity. The mesh design of the casting layer may be oriented in several different configurations. The casting layer may be supplied in various formats.