Premium Edition Ergonomic Comfort-Plus Office Chair with Adjustable Lumbar, Recline, Seat Depth, Headrest, and Armrests. This stylish office desk chair provides deep comfort with its ergonomic design, heat-dissipation mesh backrest, 130 degree recline mechanism, and plush foam seat cushioning. The adjustable lumbar support, pneumatic seat height, headrest, and armrests enable you to shape this chair to your own size. It is perfect for both short and long time working or gaming. This chair has a smooth 360-degree swivel mechanism with high quality caster wheels that will not scratch the floor surface when moving.