Latte AirGrid Seat and Back Deluxe Task Chair. Breathable Latte AirGrid Seat and Back with Built-in Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Deluxe 2-to-1 synchro Tilt Control with Adjustable Tilt Tension. Height Adjustable Angled Arms with Soft PU Pads. Heavy Duty Angled Nylon Base with Oversized Dual Wheel Carpet Casters.