Managerial mid-back chair with active lumbar support features a mesh screen back. Mesh screen back provides increased breathability while adjustable padded lumbar support maintains the natural curve of your spine better. Functions include pneumatic seat-height adjustment, 360-degree swivel, tilt, tilt tension, tilt lock, synchronized knee tilt (2-to-1 synchro tilt), and dual-wheel casters. Mid-back chair features thickly padded contoured mesh seat, height-adjustable arms with soft pads and heavy-duty metal base with a five-star design.