13" thick mattress; expertly constructed for ultimate comfort and support - Premium cotton/polyester cover with LifeEdge® Perimeter Edge Support - Individually encased, responsive, coil innerspring delivers targeted support; flame retardant rayon fiber - Gel-infused, viscoelastic memory foam features advanced cooling technology and body-contouring comfort - Copper-infused memory foam helps your body maintain a consistent temperature throughout the night - High-density bottom layer for stability and durability - All foam layers are certiPUR-US® certified; made without flame retardants, ozone-depleting substances, heavy metals, and other materials regulated by the Consumer Product Safety Commission - Easily compatible with adjustable bed frames - Recommended by leading U.S. chiropractors - No-flip design to prolong the life of the mattress; rotate 180° every 3-6 months or as needed for even wear - Arrives rolled and compressed for easy transport - Made and assembled in the USA - A Grandin Road exclusive