The Allswell Ultimate Comfort 14" Hybrid Mattress combines the comfort and durability of Quantum Edge Coils with the pressure relief and temperature regulation of memory foam for an incredible sleep experience. It features individually wrapped coils for increased motion isolation and a reinforced Quantum Edge steel-coil perimeter for edge support. Two inches of Energex foam provide superior pressure relief and temperature regulation while the cooling layer of CopperGel- and graphite-infused memory foam works to absorb and transfer heat away from the body. Product Highlights: Individually wrapped, motion-isolating coils pair with a Quantum Edge steel-coil perimeter for reinforced support. Advanced Energex foam provides pressure relief and temperature regulation. Layer of CopperGel- and graphite-infused memory foam transfers heat away from the body.