Harmony Phase 3 XP Backband Kit
Here's what other sites are saying:
With the Harmony Phase 3 AirPro Backband Kit, you can turn the seat back of your Wilderness Systems Tsunami touring kayak into a comfortable backband in less than 10 minutes. The ergonomic 3-D foam utilizes honeycomb venting to keep you dry and supported while the straps allow you to quickly adjust the backband for a perfect fit, even while you paddle.
If you're ready to get even better performance out of your Wilderness Systems Tsunami, the Harmony AirPro Backband Kit is ready to help you take the next step.