Sea Eagle Tall Back Kayak Seat (Not sold separately. Must ship at the same time with a Sea Eagle Boat)

First time out with this seat was great with excellent back support adjustment but after a couple whitewater outings the back rest buckled horizontally eliminating all back support and making use very uncomfortable. Trying to determine if there is way to reinforce the backrest and won’t go out again until I figure out a solution. I love the quality of my new 380x and very surprised that Sea Eagle is putting their name on this seat