12 Park's 13"" Ultra Deluxe Gel Memory Foam Plush Mattress provides optimum cooling and pressure relief. A smart mattress design featuring innovative foams that work together to dissipate body heat while providing outstanding pressure point relief. Graphite Infused Memory Foam assists in drawing the heat away from your body, while providing the superior pressure relief of memory foam. Since 1971, 12 Park has been handcrafting sleep solutions - thoughtfully made with carefully selected materials in the Northeastern Usa.