Ergonomic Synchro-Tilt Office Chair. Colour is black. Seat produced with reliable Tempur materials from Tempur-Pedic. Mesh again with created-in lumbar guidance. Synchro-tilt system with locking aspect. 1 touch pneumatic height adjustment. Tilt rigidity control. Padded armrests are adjustable for peak and width. Designer nylon foundation with twin wheel casters. The chair carries a ten 12 months guarantee, to the initial operator. This reveals the quality of the chair.