Classic Brands Ventilated 8-inch Cool Gel Memory Foam Mattress is the latest technology in memory foam mattresses. One layer of 2 inches of gel-infused memory foam draws heat away from your body and allows breathability. Luxury at a Great Price This mattress is pure luxury at a price that makes sense. The 12-inch thick mattress features a 3-inch layer of gel-infused memory foam, a 1-inch layer of bamboo charcoal memory, and an 8-inch high-density foam base. We have Memory Foam Mattress Reviews of several brands. See also our new page, Memory Foam Pillows, for information about pillows and reviews of memory foam pillows.Our Blog has articles about sleep issues, mattresses and the mattress business, materials, and certifications.. For help in selecting a mattress, read Choosing the Correct Mattress and Sleeping Position. .