I have been using my ultralight backpacking equipment for kayaking and
I would like a little more comfort for kayaking especially in the
sleeping pad department.

The typical backpacking pads/air mattresses are too small in width and
are usually designed for low temps. After a lot of searching, the only
thing I found is the Sevylor Camping air mattress - 29" x 72" @ 2lbs.

Can anyone recommend some other products?

I have looked at all of the Thermarest and Big Agnes products.

Thanks