Mid Back Mesh Chair, Haworth, X99 Task,Loop Arm,Upholstered Seat, Pneumatic Height,Five Star Aluminum Base. FREE SHIPPING! "Ships within 10 - 12 days" works better X99 works more like a partner than a piece of furniture. Supportive. Active. Familiar. It was designed and engineered for one body type. Yours. Stimulate your body and mind with a chair that is both captivating and stylish. Designed and engineered for a global environment by Haworth, Comforto and Germany’s ITO Design, X99 maintains the highest level of performance. The exhilarating ride is highly responsive to all body movements, and every personal adjustment has been precisely engineered. A brilliant integration of design with performance. 3-dimensional arms adjust in height with arm caps that slide and pivot, providing maximum support. The loop arm is a perfect fit for any general seating application. The height-and-depth adjustable lumbar is masterfully integrated into both soft mesh and full upholstered chairs. The back stop lever (left side) and pneumatic seat-height adjustment lever (right side) are artfully designed, blending form and function. The tuck-away tilt tension flips out for easy access, and stores neatly away when not in use. X99 Task/Executive Chair: Available in soft mesh or full upholstered back, the standard features include the pneumatic seat-height adjustment, tuck-away tilt tension, back stop, 3-point tilt, free-floating forward tilt (3 degrees forward) and hard or soft dual-wheel casters. Optional features include height-and-depth adjustable lumbar, 3-position seat-depth adjustment, and low-position pneumatic seat-height adjustment (steel base only). Available arm styles are 3-dimensional, loop or armless, and arm cap options include soft arm caps, upholstered arm caps or vinyl gel arm caps. Available base types are aluminum or steel, and available finish options are silver, gunmetal, chrome or black.