Comfort level: Euro top 15.5 inch profile 1.5 inch high-density quilt foam 2 inch high-density plush zoned sculpted pressure relief foam 3 inch high-density firm upholstery grade body foam12 inch high-density 3 lb. gel memory foam lumbar support Power packed wrapped coil unit Ashley edge inchsteel encased inch; 2 perimeter rows of 13-gauge wrapped coils for edge support 1 inch high-density base foam 10-year limited warranty State recycling fee may apply Foundationbox spring available, sold separately Note: Purchasing mattress and foundation from two different brands voids warranty