Black back Knoll Generation task chair

Frameless Black Flex Back fuses two elements: high performance elastomeric Flex Back Net cradles your back, providing integral lumbar support, and figure 8 structure enables multidimensional movement.
Flex Seat offers 270 degrees of unobstructed seat edge flex with a buoyant two-piece cushion and nest structure.
Continuous Lumbar carries the lumbar support from the back into the arms to support side sitting.
Dynamic Suspension™ offers weight-compensated, synchronized recline.
Tilt Preference Selector offers three ranges of recline movement.
This chair has been tested for individuals weighing up to 135kg (21 stones).