Harmony Kayak Seat Back Pad Kayak Seat - Looking for a little extra back support while paddling? The Harmony Seat Back Pad offers lumbar support that not only improves posture but will also increase your paddling efficiency. It can even help in relieving lower back pain. Simply slide the Seat Back Pad over your seat back, tighten and you're all set to enjoy another beautiful day on the water. Contoured for comfort, the Harmony Seat Back Pad provides greater comfort which equals greater enjoyment.