better homes& gardens the memory foam molds around the body's natural shape to evenly distribute body weight and provide vacuum-sealed in one easy to handle box for your convenience! create a solid foundation an inviting bed starts with quality basics the top layer of charcoal gel memory foam helps to regulate body temperature as well as control moisture and maintain freshness each coil in this mattress works independently to provide the optimal levels of support and comfort by creating equal weight distribution that contours the body encased coil mattress* the convoluted foam combined with the channel-cut foam layers work together to increase airflow and breathability of the mattress to help regulate body temperature selection and prices may vary by store and online