High Back LeatherSoft Multifunction Executive Swivel Ergonomic Office Chair with Lumbar Support Knob with ArmsThis attractive upholstered office chair is loaded with options to maximize your comfort and productivity when you're working long hours. Its high back, integrated headrest and built in lumbar support help prevent back strain. You can increase lumbar support using the pressurized lumbar support knob. The padded swivel seat is thickly padded to 3" features a waterfall edge. Height adjustable padded armrests take pressure off your shoulders and neck.