Highly ergonomic chair designed for 24/7 use. Ergonomically designed to promote user attention and reduce operator fatigue. 24/7 usability. Headrest: Dynamic, position-sensitive headrest adjusts to cradle your head and neck as you recline. Automatically moves out of the way when you sit upright. Cushions: Technogel® Cushions are sculpted to closely follow body contours-provide comfort and maximize weight distribution. Armrest: Technogel® armrests move up and down together and stay with you during recline, always keeping you in supported balance. Backrest: Pivoting responsive backrest automatically adapts to the changing needs of your spine during recline. With the counter-balance mechanism, your weight automatically balances the force required to recline the chair. Recommended Use: 3 shift, 24/7 heavy use durability