eurosports High Back Mesh PU Swivel Office Chair with Headrest, Grey (8032) Ergonomic high back mesh chair, designed to provide exceptional back support and to prevent body heat and moisture build up Adjustable head rest for comfort & head/neck support Pneumatic seat height adjustment, adjustable headrest support and adjustable armrests A gas lift lever under the seat which adjusts the seat height Wonderful tilt tension control, enable three vertical positions and built-in height adjustable lumbar support