Though comfortable for up to three hours, the seat is somewhat hard. I've no problem with the width of the back frame, but it may be more of a problem for those with narrow shoulders. The seat will raise your center of gravity, but that can be cured by lowering the factory bench seat. The front to back width of the seat is a bit narrow for my behind, but so is the factory bench in my Wenonah Sandpiper. I would prefer two adjusting straps for the seat back instead of one, it would help reduce the tendency of the seat to stretch back farther than I like. The seat lacks a positive latch to keep it folded down when loading. I use a bungee to hold it in the down position.
I would not recommend the seat to anyone with relatively narrow shoulders. If you, like me, spend more than three or so hours in the seat of the canoe, then the Sitbacker is going to be butt numbing. Overall, the seat is O.K., but surely someone can do it better. Think I'll try a Crazy Creek when/if I get the funds.