Provide the right support for your body while you work! The SPARK-PS HIGHBACK CHAIR WITH POSTURESOFT LUMBAR SUPPORT has a modern look and promotes an ergonomically correct seating position while being exceptionally comfortable | This chair features a supportive high back with no arms and a lumbar adjustment pump covered with POSTURESOFT foam giving you the perfect support for your lower back, afardi Rated | Comes with a heavy duty 3 lever multifunction seat mechanism with adjustable seat slide, ratchet height adjustable back and a 130mm gas lift | Upholstered in Laine Smart fabric | Fully adjustable seat tilt | Fully adjustable back height | Fully adjustable back angle | Fully adjustable seat height and depth | Adjustable lumbar pump in back