Extra high back ergonomic operator chair Curvaceous profile and vast array of options that deliver style as well as substance Deep padded extra high square back and contoured seat with waterfall front CMHR high resilience, flexible foam seats with waterfall front for optimum comfort Asynchro mechanism provides free floating back action, lockable seat and back Features gas height adjustment, back rake adjustment, back height adjustment and independent seat tilt adjustment Choose either a black nylon or chrome 5 star base, with optional pump up lumbar support and seat slide also available Supplied with height adjustable arms, also available with fixed arms, folding arms or without arms Matching high back chairs also available Upholstered in a range of fabrics and colours from Camira (5 times Queen\'s Award Winner) 5 year warranty