Let Strata float into your work space Premium ergonomic features that support healthy posture Mesh back this is bleach cleanable (10:1 solution). Customize your seat upholstery from our Vivid fabric options. Height- and depth-adjustable lumbar for fine-tuned back support Height-adjustable arms Simple synchro control has an upright back lock, center knob for back recline tension, pneumatic height adjustment, and 360 degrees swivel