Mirus Black Mesh Office Chair This Black Mirus Office Chair is highly ergonomic, thanks to its numerous adjustable features. They include seat height and depth adjustment, a flexible lumbar support system, and an adjustable back, and armrests. Available for FREE next day delivery within London and M25 areas, when ordered by 2pm. FREE delivery & installation available within London and M25 areas SKU: OC57MOS Ergonomic design for long lasting comfort Single lever control (seat height, seat depth & back tilt) Optional multi-directional interactive neck roll/headrest 3-dimensional automatic flexible lumbar support system Black mesh backrest Black fabric seat Zero pressure seat cushion helps to distribute weight evenly Fully adjustable seat, back & arms 98% Recyclable 3 year manufacturer's guarantee on mesh, castors, and gaslift / 5 year manufacturer's guarantee on mechanism, frame, and armrests Polished aluminium 5 star base Semi-soft castors suitable for wood or carpet Available for next working day delivery when ordered by 2om (click here for full details) Need more choice? Call us on 0800 559 3917, or visit our showrooms in London, Essex, or Northampton, for additional options, prices, and availability.