About this item Remember the last time you got a great night's sleep? We hope so. Now imagine feeling that way every morning—a great mattress can literally change your life. Diamond Mattress has spent 80 years perfecting the science of sleep wellness, and the EquaLite Plus Copper Cooled Hybrid brings you the support of coils, the comfort of memory foam, and industry-leading technology to promote your health and wellbeing. 30 night comfort guarantee with free returns. Low Motion Transfer design lets you sleep soundly even if your partner tosses and turns Cool Touch Temperature Regulating Fabric disperses your body heat and wicks away moisture Conductive copper memory foam layer keeps your body temperature stable by drawing away heat Dynamic Edge Coil System keeps your mattress from sagging or losing shape, while making a firmer edge for getting in and out › See more product details