NOT KNOWN DETAILS ABOUT 2018 GENESIS G80 LUXURY SEAT COVERS

I just bought a fresh driver’s aspect seat cushion becuase the foam was shot, but the fabric is worn through also. The costs I’m looking at all over the place are outrageous. Am I missing anything???Appropriate with both of those break up and reliable bench rear seats that either have no headrests or have adjustable headrests that shift up and