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 keep you cool and poised even after working long hours to meet a deadline. Generously padded memory foam seating ensures long-lasting comfort. Equipped with key features that assist to accommodate 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. Set upon a durable black nylon angled base with oversized dual wheel carpet casters that deliver easy mobility. Covered with an impressive 24/7 Elite Seating warranty for 5 years on all component parts, and 2 years on foam and fabric.