Millennium 2.0 Foam 14 Inch MattressesDiscover the luxury of this memory foam king mattress. Temperature regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high density support foam conform to your body, delivering pressure relief and comfort. And a green tea infused support foam base provides enhanced stability. Comfort level: plush Dual cooling action with phase changing material (PCM) High density gel memory foam