The Ultima Memory Foam Mattress delivers just that -- enveloping comfort that fits your shape like a glove to soothe you to sleep. Created with a special blend of high quality foam layers, it features our famous green-tea and charcoal infused memory foam for a mattress that stays fresh and odor-free over time. An airflow-boosting layer of cradling comfort foam and a durable high-density foam base layer finish off this fine-tuned system of top quality foams so your body's curves are supported and allowed to rest naturally, leading to sounder sleep with no more aches and pains.