The redesigned TEMPUR-Ergo 3.0 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 3.0 Base is the ultimate pairing for your Tempur-Pedic mattress to help ease aches & pains and fall asleep in comfort every night.