The redesigned TEMPUR-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-Ergo® Power Base is the ultimate pairing for your Tempur-Pedic® mattress to help ease aches & pains and fall asleep in comfort—every night.