SPACE Seating Breathable Mesh High Back and Seat, Ultra 2-to-1 Synchro Tilt Control, Seat Slider and Gunmetal Finish Executive Chair 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 Rated for 300 Lbs