Support your body throughout the workweek with the Office Star 55 Series Professional AirGrid Back Manager Office Chair. This mid-back office chair helps you find a comfortable seated position for virtual meetings and typing tasks with seat-height, arm-height and synchro-tilt adjustments, and it glides smoothly over the floor on oversize carpet casters. Thanks to the breathable AirGrid back and comfortably padded seat, this mesh desk chair is built for the busy professional. Overall Dimensions: 42"H x 27"W x 26-1/2"D. Weight capacity tested to support 275 lb. AirGrid mesh back with built-in lumbar support. Padded seat with fabric upholstery. Pneumatic seat-height adjustment. 2-to-1 synchro tilt control with adjustable tilt tension. Height-adjustable, angled armrests with soft PU pads. Heavy-duty nylon base with oversize dual-wheel carpet casters. Assembly required. Eco-conscious choice - has one or more meaningful eco-attributes or eco-labels. Less harsh chemicals - made with fewer harsh chemicals, or safer chemicals than typical alternatives, helping reduce your use of and exposure to substances that may be more harmful to your health and the environment. GREENGUARD certified - certified for low chemical emissions: UL.COM/GG - UL 2818. Ranked in two tiers: Certified and Gold.