Contemporary office seating with the main focus being on the ergonomic design to prevent fatigue and promote comfort. A stylish design with lasting durability. Function offers a wide variety of ergonomic functions and adjustments making it an extremely flexible solution. All Function Task chairs are certified to BS 5459/EN 1335. Function offers a wide variety of ergonomic functions and adjustments making it an extremely flexible solution. All Function Task chairs are certified to BS 5459/EN 1335. Function high back chair, black fixed arms, black base, synchro mechanism 100 x 62 x 55 cm