what is a tempur pedic mattress made of?
The TEMPUR-Pedic original mattress was eight inches thick and had two layers. The top layer is composed of three inches of 5.3-lb. visco-elastic foam that had a listed ILD rating of 14. The bottom layer of the mattress was composed of 5 inches of 3.5-lb., non-visco-elastic, high-density polyurethane foam.