Not only does this office chair’s mesh back keep you cool, it is also designed with contours that cup your spine for optimal lumbar support. If you work long hours, then this feature will enable you to sit comfortably for longer periods of time. The gently curved backrest on the Toto operator chair follows the shape of your spine nicely, and the mesh material allows ventilation even after prolonged contact. It features a standard tilt lock for the back made from breathable mesh and adjustable lumbar support. The stylish, angular, fixed arms are coloured to match the chair frame. It has a gas lift adjustment with weight tension control and is supplied with a black fabric seat with black nylon 5 star base and fully assembled. W602 x D550 x H920-110mm. Seat height 420-510 x Seat width 480 x Seat depth 465mm. Back Height 510 x Back width 430mm.