ARCTIC BOX TOP A4 MATTRESS - 10YR WARRANTY Introducing the Arctic Box Top Mattress, a true innovation in sleep comfort and design. This 14-inch thick mattress combines advanced technology and superior materials to deliver an unparalleled gentle firm sleep experience. 960 Pocketed Coil Box Top Inner Panel HyperTex Gel Foam Foam Encased 2in Quiltflex FR Fiber IceTex Cooling Fabric Cooling Technology Zero Motion Transfer Adjustable Friendly 14in Thickness 10 Years Warranty