Stay focused on your daily tasks while seated in the Office Star Space 57 Series Dark Air Grid Back Ergonomic Mesh High-Back Managers Office Chair. This adjustable office chair features height, tilt and armrest controls to help you find your ideal working position. Antimicrobial upholstery is simple to clean. Ergonomic office chair offers comfort throughout the day. Recommended for professional use 8-10 hours per day. Weight capacity tested to support 275 lb. Overall Dimensions: 45-3/4”H x 25-3/4”W x 26”D. High back. Breathable Dark Air Grid mesh back. Adjustable lumbar support. Waterfall seat. Antimicrobial fabric upholstery. Office Star chair boasts 1-touch pneumatic seat height adjustments and 2-to-1 synchro tilt control with adjustable tilt tension. Height-adjustable angled PU arms. Heavy-duty angled nylon base with oversized dual wheel carpet casters. Assembly required.