Marathon Seat Covers are awesome, airbag safe and if you want you can opt to only install the bottom.
I've had them on 5 vehicles (including current Ranger) so far and they are great.
I don't have experience with those seat covers but I can highly reccomend getting Marathon seat covers. I have had 4 sets and every one was spot on and not much more $$ than those.
Unfortunately with the new vehicles only 2 options. Download FDRS, get a license and do it yourself or pay the dealer. I'd shop around a bit maybe at some dealers to get a better price. Mine only charged me .33 of an hour.
Sorry forgot to mention the elephant in the room... you'll also need an...