Ergonomic design: Features a wide and padded seat, tall and curved mesh back and fixed armrests, the mesh office chair allowing you to sit and work comfortably with support all day long.Adjustable height: Powered by a gas lift for smooth operation, it allows you to set the computer chair to the correct working height at your desk.Five wheels: Omni-directional and fixed on a 360swivel base, for you to move around the floor easily and gently. Headrest: The high back office chair with headrest provides support for your head.Reclining back: 90to 150- simply push back and set to an angle you like. Great for relaxing and time-outs. Dimensions: 112-119.5H x 60.5W x 59.5Dcm. Seat: 52W x 46Dcm. Cushion: 7cm thick.Maximum load 120 kg. Assembly required.