AliMed T-Foam Sheet, Bed-Size T-Foam(Temper Foam) contours and molds with body heat and pressure to match the body's contours. Available in four grades: X-Soft, Soft, Medium, and Hard. For general padding and large-area support, Soft or X-Soft is recommended. In high-pressure areas, firmer grades are used. Make sure to select the proper thickness and grade for full support and molding without bottoming out. 35" x 78".