The redesigned Tempur-Pedic-Ergo power base is better than ever with the addition of adjustable lumbar support. With the pressure-relieving power of a virtually unlimited range of head and foot ergonomic positions, including zero gravity, the Tempur-Pedic-Ergo power base is the ultimate pairing for your Tempur-Pedic mattress to help ease aches and pains, and fall asleep in comfort every night.