Premium Ultra Leather Minimizer Seats Include all these amazing Options :  Adjustable Armrests, Full Swivel Base, Seat Tilt Adjustment, Seat Cushion Length Adjustment, Fore / Aft Adjustment, Lockable Isolator, Air Dump, Adjustable Shock Absorber, Air Height Adjustment with Memory, Upper and Lower Lumbar, Side Air Support, Head and Shoulder full Adjustment, FULL Recline.  Fantastic combination of both Quality and Comfort Combined.  The Minimizer Heavy Duty Semi Truck Seat System is designed with the drivers health and safety in mind.  Leveraging decades of research in seats and suspensions, Minimizer has incorporated ergonomics, safety and whole body health into one system.