Comfort level: plush | Super-soft quilt foam; comfort plush support foam | High-density gel support memory foam; high-density base foam | 680 individual power packed 15-gauge wrapped coils | Ashley Edge "steel encased"; 2 perimeter rows of 13-gauge wrapped coils for edge support | 4-way stretch knit cover | Luxury cotton fiber; super support polyester fiber | Adjustable base compatible | 10-year non-prorated warranty | Note: Purchasing mattress and foundation from two different brands may void warranty; check warranty for details | Foundation/box spring available, sold separately | Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening | State recycling fee may apply