Steel Gray Driver Bottom Vinyl Seat Cover for 2011-2016 Ford F-250 F-350 F-450 F-550 XL Work Truck Synthetic Leather with Air Venting Holes. Model: ‎Steel Gray Driver Bottom Vinyl Seat Cover. Application: Driver Bottom Vinyl Seat Cover Steel Gray for 2011-2016 Ford F-250 F-350 F-450 F-550 XL Work Truck.