Chair PREMIUM® is recommended especially for persons working long hours in a sitting position. It is perfectly suitable for prophylaxis. Brings substantial relief from the very beginning of its use. Makes it easy to stand up. It is indispensible in offices, for home use and in educational institutions. A special base execution. No possibility for a table-top installation. The armchair is covered with fabric and provided with adjustment of balance and loins support (a so called mogul); knee supports, gel-filled 3D arm-rests, relax function.