Two new mesh options in the sim-o range offer an excellent price/performance ratio. The robust mesh backrests offer clean lines and transparency and the appealing tension of the mesh ensures comfort and a feeling of well-being. sim-o operator automatic (Daumatic®) with fully upholstered backrest is the ideal chair for multi-user applications because the Daumatic® feature facilitates automatic adjustment of the chair to suit individual needs. Even those who spend a lot of time sitting can look forward to the end of their day in the office in comfort.