Choose this Office Star chair to enhance comfort at your workplace. The executive chair sports dual-wheel casters that roll easily over hard surfaces and carpeting. The AirGrid back and fabric seat help keep you comfortable, while the adjustable features help you find your preferred position. Overall Dimensions: 44-1/2H x 30-1/4W x 28-3/4D. Ergonomic design allows for comfort throughout the day. Recommended for professional use 8-10 hours per day. Weight capacity tested to support 400 lb. Features a double AirGrid back and a custom fabric seat with adjustable lumbar support. 1-touch pneumatic seat-height adjustment. Ergonomic office chair offers mid-pivot knee tilt, tilt tension and tilt lock. 2-way adjustable arms with PU padding. Steel base features dual-wheel carpet casters. Backed by the manufacturers lifetime limited warranty.