The renowned comfort of the AirPro MAX is amplified with the addition of the Seating Support System. Inflatable by a twist valve that provides precise comfort and on-the-fly pressure adjustment, and can be compressed down for compact storage. Fully-adjustable straps allow for height adjustment tuned specifically for your needs, while a silicone non- slip surface ensures necessary contact to both the body and the seat. The Seating Support System is a perfect complement to the AirPro MAX, and is also universal to most kayak seats. Features Inflatable lumbar support Twist valve for on-the-fly pressure adjustment Fully-adjustable straps for height adjustment Silicone non-slip surface Universal to most kayak seats Silicone non-slip surface only on the rear to prevent slip when in contact with the seat Internal air bladder features RF welded seams for superior durability 8070078