The Space Seating 24/7 Intense Use Office Chair with Breathable Air Grid® is designed to provide exceptional support for hard-working professionals in extended use or multiple-use environments. The Breathable Dark Air Grid® back with height-adjustable lumbar support keeps you cool and poised even after working long hours to meet a deadline. Increased density memory foam seating ensures long-lasting comfort. Equipped with key features that assist in accommodating individual needs such as Easy One-touch pneumatic seat height adjustment, smooth transitioning 2-to-1 Synchro tilt control with adjustable tilt tension and seat slider, and helpful height adjustable arms with PU padding.