officially licensed fia product for ultimate authenticity robust, reinforced reclining mechanism for maximum stability, even under intense racing conditions premium mesh and fabric upholstery for durability and luxurious comfort ergonomic design with optimal lumbar support for a healthy posture compatible with a wide range of cockpits for versatile use next level racing ers4 elite: fia license for true racing sensation no compromises - the ers4 is officially fia-licensed, bringing motorsport realism directly to your sim rig. designed for serious racing enthusiasts looking to take their simulation experience to the next level. unshakable stability for peak performance whether you're smoothly navigatingâ¦