WOLF Villani Hybrid Mattress (King) King Hybrid mattress that contains a 336 high profile innerspring coil unit which distributes one's weight and motion reducing pressure and motion transfer Contains layers of dunlop latex foam which is 100% natural, resistant to bacteria, mold, mildew and mites Contains Wolfit, a 100% wool product that fits right under the stretch knit cover and provides natural fire retardent and insulator qualities Contains Cloud, Wolf Corporation's foam replacement pad that has the same resiliency and durability as foam but is eco-friendly