Dual border of yarn dye jacquard with superfine velveteen insert and decorative piping help to keep your sheets in place. * Sleep cool layering system-2.5" MyGel® memory foam, 1.5" premium 3lb memory foam, 3" of Pressure Relief Foam. * ase support layer of 6" high density foam to provide long lasting durability and stability. * A leader in research, Night Therapy treats all of its products with green tea, a natural odor protectant. * The comfort of your sleep environment is balanced with ingredients that are safer for you and the environment we all share.