Big and Tall Executive High Back Chair with Breathable Mesh Back and Mesh Back. Breathable Mesh Back and Mesh Seat 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.