The Orangebox Eva Task Chair is the latest seating solution by Orangebox, which has proclaimed it the most efficient in materials and design that they have created. The Orangebox Eva chair's focus is on the sitting experience and comfort, whilst adapting to the changes in the workplace. This is achieved through the use of simple setup features and fewer manual adjustment functions. The Eva Chair features a self-weighing mechanism that responds to the user's body weight and provides the right amount of recline tension to support the user. The backrest of the Orangebox Eva chair features a mesh material with 5 different tensions to provide varying degrees of support for certain parts of the back and requires no adjustments. The Orangebox Eva Task Chair also features: Adjustable seat height Adjustable seat depth Adjustable armrest height Optional headrest Optional lumbar support with adjustable height and depth