High Back Asynchronous Chair. Sonix Mode offers a stylish range of task seating to bring the modern look to your office. Comfortable and durable. Rich Wool Blend popular for commercial interiors. 67% Wool, 33% FR Viscose Blend, 75000 rubs. EN 1021-1 Cigarette Product Certificate; EN 1-21-2 Match Product Certificate. BS7176 Medium Hazard Product Certificate; BS 5852 Section 4 Crib 5 Product Certificate. Computer or at-desk tasks are part of work, typically 7-8 hours a day. Ideal for secretarial, word processing, clerical, professional and accountancy jobs. Up to 18 stone/114kg. User can adjust height of seat to maximise support for legs. Asynchro movement allows you to move the seat back to any position you choose, to maximise comfort. Optional Fixed Arms and Height-adjustable Arms available. Seat: WxDxH: 470x460x440-540mm. Backrest Height: 490mm. Colour Bluenote.