The Sleep Smart Air bed lets you customize the feel and support of your mattress, in three zones, on each side (Queen and King). A zone just for your core, allows you to that perfect support for your lumbar area. A Performance fabric cover dissipates heat and wicks away moisture for a more comfortable sleep environment. A high density, ventilated foam edge provides a firmer edge and full mattress surface use. Experience science at its best in this luxury mattress.