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 Applications: Executive & Management; General Office & Task; Seat/Back Color: Charcoal; Arms Included: Yes; Arm Style: T-Bar.