BEST FOR COUPLES: Ideal for couples with different sleep preferences with dedicated soft and firm sides. SOFTER, PRESSURE RELIEVING SIDE: The softer side of the Dual Comfort Mattress Topper features a soft, contouring Copper Gel Memory Foam for additional pressure relief and cloud like comfort. FIRM, SUPPORTIVE SIDE: The firmer side of the Dual Comfort Mattress Topper features a firm high-density quick response foam for added spinal alignment and less sink into the surface of your mattress. COOL-TO-TOUCH TOPPER: This cover is made with our cutting-edge GlacioTex Cooling Cover to pull heat away from your body, ensuring the optimal sleep temperature. ONLY THE BEST MATERIALS: This bed in a box mattress is Fiberglass-free, GREENGUARD Gold certified, and made with CertiPUR-US certified foams. Each mattress is carefully assembled in our own Arizona facility and delivered right to your door. We want you to be happy with your mattress and that's why we offer a 120 night sleep trial. Each side of our Dual Comfort Mattress Topper uses high-density foam that’s tailored to suit your sleep style. Whether it’s cradling pressure relief or firm alignment support you’re after, the dual comfort topper will bring sweet dream bliss to you and your sleep partner. The softer side of the Dual Comfort Mattress Topper features a soft, contouring Copper Gel Memory Foam for additional pressure relief and cloud like comfort. The firmer side of the Dual Comfort Mattress Topper features a firm high-density quick response foam for added spinal alignment and less sink into the surface of your mattress. The Dual Comfort Mattress Topper is made with our cutting-edge GlacioTex fabric, which is cool to the touch and pulls heat away from your body, helping you enjoy the optimal sleep temperature all night. We've chosen the highest quality materials and assembled them all in our Arizona factory to ensure you enjoy a premium, durable feel.