FIBERGLASS-FREE SAFETY BUILD - This king mattress is made without fiberglass for a cleaner home environment. The soft cover on this mattress king size model provides added comfort and peace of mind. 3-LAYER FULL BODY SUPPORT - This king mattress features durable base foam, motion-reducing transition foam, and pressure-relieving memory foam. A supportive king size memory foam mattress for every sleep style. CERTIFIED MATERIALS YOU CAN TRUST - This king mattress includes CertiPUR-US certified foams and OEKO-TEX certified fabric. Each mattress king size model is tested for quality and durability. KING MATTRESS IN A BOX - This king mattress ships compressed for convenient delivery and setup. Simply unbox your king size memory foam mattress and allow time to expand. 10-YEAR WARRANTY COVERAGE - Ideal for master bedrooms and spacious sleep setups, this king mattress includes dependable long-term protection. A durable mattress king size option made to last. ADVANCED COOLING COMFORT - This king mattress uses graphite memory foam to help disperse body heat and reduce moisture. A premium king size memory foam mattress designed for cooler, more restful sleep.