Goal - Task chair, high backrest, structure in black polypropylene. Backrest in mesh-net available in 8 colors, or padded and upholstered, with adjustable lumbar support; seat padded and upholstered. Synchronized mechanism or with slidesystem. Fixed black polypropylene armrests or adjustable. 5-star black nylon base or in aluminum on rubber and self-braking castors. Optional: headrest.