Ergonomically designed to make adjustments based on the user's weight and posture. Only two controls are necessary: seat height adjustment and tilt lock. Breathable mesh back offers sustained lumbar support regardless of chair positioning. Three-way adjustable arms with multiple depth, height and pivot positions. Five-star base with casters for easy mobility. Recommended Application Area(s): Conference & Meeting; General Office & Task; Seat Color: Black; Back Color: Black; Color Family: Black.