This mattress features all the best of the Spring Air Back Supporter TM brand. Enhanced power packed coils with 25% more support in the center of the mattress, increasing lumbar support and durability. Head to toe helical wires help stabilize for less partner disturbance. This is encased with our 3” foam encasement for added comfort and more surface area for a better night’s sleep. Multiple high density and comfort polyurethane layers give long term comfort. For added pressure relief of the hips and back, there is a lumbar support of Cool Gel Memory Foam. This is all covered in a Soft-Finish TM cover which helps wick moisture and heat away all night long. A true value. FEATURES: 14” Mattress Height Soft Finish TM cooling technology cover Foam encasement support 13 gauge coil unit, power packed with added supportive helical wires High density foams for long term durability Back Supporter TM with 25% more coils in the lumbar Lumbar layer of cool gel memory foam for better spinal alignment and pressure relief. 15 year non pro-rated warranty