Combines contemporary design with ergonomic engineering Overall Dimensions: 44H x 27 3/4W x 28 1/2D. Weight capacity tested to support 300 lb. Breathable mesh back with adjustable lumbar support. Lumbar feature supports your lower back and enhances the natural curve of your spine. Plush leather seat for comfort throughout the day. One-touch pneumatic seat height adjustment. Ultra 2-to-1 synchro tilt control with 3-position lock. Anti-kickback, seat slider and tilt tension control. Height-adjustable arms with PU pads. Heavy-duty angled aluminum base with oversized dual wheel carpet casters. GREENGUARD certified - certified for low chemical emissions: UL.COM/GG - UL 2818. Ranked in two tiers: Certified and Gold. This product is heavy and/or oversized and may need more than one person to handle. 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.