Executive High Back Chair with Breathable Mesh Seat and Back. Breathable Mesh Seat and Breathable Mesh Back with Adjustable Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Deluxe 2-to-1 synchro Tilt Control with 3-Position Lock, Anti-Kickback, Seat Slider and Tilt Control. Height Adjustable Arms with PU Pads. Rated for 300 Lbs. Heavy Duty Angled Gunmetal Finish Base with Oversized Dual Wheel Carpet Casters.