Comfort level: plush Luxury loft fiber 2" plush quilt foam; 2" cooling gel memory foam; 3" cushion firm support foam; 1" base support foam Wrapped coils Hyper cool luxury 4-way knit cover Flame-retardant polyester comfort fiber Adjustable base compatible 10-year non-prorated warranty Note: Purchasing mattress and foundation from two different brands can void warranty; check warranty for details Warranty void if outer cover is unzipped any amount and/or removed Foundation/box spring sold separately State recycling fee may apply Mattress conveniently arrives in a box (compressed, rolled and plastic wrapped); please allow at least 48 hours for full expansion