It is a Corbin, but I don't know what model. The backrest will double for a passenger seat with backrest, it folds up and down.
He said it took about 2 thousand miles to break in, but he loves it compared to the stock.
My Stryker could use a Mustang seat because the bone stock seat is a nightmare. I had memory foam put in it, but it is still a pain after forty miles.