Soft Like A Pillow With Coil Support. iCoilï¿½ mattress with body-conforming memory foam layer on top The Core: iCoils are independent coils that support every part of your body with the perfect amount of supple and responsive flex. Independent operation means less transfer between sleep partners for better sleep. The Comfort Top: High Density Memory Foam, a recyclable material, conforms to your body shape and temperature. The memory foam layer instantly receives your body with a custom-fit. BioFoamï¿½: Memory Foam made with a blend of natural and synthetic materials. We replace portion of the synthetic with plant oil, to reduce the dependency on chemical and emissions of harmful off-gassing. All-Natural Ingredient: EverGreenï¿½, made from all-natural green tea, is embedded into the memory foam for long-lasting natural odor control. The Cover: Unbleached, 100% Organic Cotton cover with channel quilting that is stuffed with wool and micro fibers to keep the cover breathable and more comfortable. The Feel: The firm memory foam top layer is supportive and comfortable. Great support for your back. Other Key Facts: Durability tested exceed industry standards. Complies with the Federal fire safety standard of 16CFR1633.(Free of PBDEs) Keetsa Mattresses are World-Class Quality with Affordable Prices because of the unique packaging that enables us to reduce the freight costs. This packaging also helps to substantially reduce the carbon foot print.