Mesh fabric covers honeycomb-vented, ergonomic 3D foam allowing greater airflow to keep you cool while cradling the back with lumbar support. The Phase 3 Airport Seatback is fully height adjustable and is also capable of tilting forward or back to your favorite paddling position. If your prefer a seatback to a back band, this kit will provide you with everything that you need for a quick conversion. Compatible with the following Wilderness Systems models: • Tsunami - 2013 or later (excluding Tsunami SP) • Zephyr - 2013 or later