The Flex Form II engineered latex foam mattress provides excellent comfort and support. The comfortable 100-percent rayon made from bamboo cover along with the 3-inch layer of channel vented engineered latex foam provide the right amount of comfort and support each night. Stay cool channel venting included in the engineered latex foam provide refreshing air flow and circulation. The 2-inch high density foam comfort layer enhances comfort and support. High density foam, 11-inch total height, 3-inch resilient engineered latex foam, 2-inch high density foam comfort layer, tri-zone foam with lumbar support, certified foam manufacturing, soft 100-percent rayon made from bamboo cover also available, Flex Form 14-inch metal platform frame.